分数线 左边是分母 *乘号
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
1÷4/5= 7/10÷1= 1/9÷5=
1/2÷2/3= 3/8÷5/8 = 9÷3/4 =
2/7÷2/7 = 6÷1/6= 3/5÷1/3=
1/3÷1/4= 2/5÷5= 5/12÷1/3=
1÷10/11= 5/12÷1/8 = 9/10÷3/4=
2/9÷3/18= 1/4÷3= 12/13÷26=
19/6÷3/2= 2/3÷7/2= 6/7÷14/2=
16/7÷21/4= 29/3÷6= 4/3÷7=
9\4÷8= 3/12÷2/9= 1/6÷2/9=
6÷ 1/4 = 20÷ 1/4= 1/4÷5 =
1÷3/5= 5/10÷1= 1/8÷5=
1/2÷1/3= 3/8÷7/8 = 9÷3/5 =
2/7÷2/5 = 6÷1/2= 3/5÷1/4=
1/3÷1/3= 2/5÷1/5= 5/12÷1/6=
1÷1/15= 5/12÷1/7 = 9/10÷3/2=
2/9÷3/12= 1/4÷1/2= 12/14÷26=
19/6÷1/2= 2/3÷1/2= 6/7÷1/2=
16/7÷1/4= 29/3÷1/6= 1/3÷7=
1\4÷8= 3/8÷2/9= 1/6÷4/9=
6÷ 1/4 = 20÷ 1/4= 1/4÷/5 =
1/2÷4/5= 7/10÷1/5= 2/9÷5=
1/2÷1/3= 3/8÷1/8 = 9÷1/4 =
2/7÷1/7 = 6÷5/6= 3/5÷2/3=
1/3÷3/4= 2/5÷1/5= 5/12÷1/13=
1÷9/11= 5/12÷7/8 = 9/10÷1/4=
2/9÷5/18= 1/4÷2/3= 12/13÷1/5=
19/6÷3/12= 2/3÷7/12= 6/7÷1/12=
16/7÷1/24= 1/3÷6= 4/13÷7=
3/4÷8= 3/8÷1/9= 1/6÷2/7=
6÷ 1/12 = 20÷ 1/5= 1/4÷1/5 =
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
4/9×3= 5÷1/3 = 1/2÷1/3 = 2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 －2/3= 2/7×2 ＝ 41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 ＝ 2/3×3＝ 8÷9/4 ＝ 5/3÷3/5 ＝ 4/5×5/8 ＝ 7/9×9/7 ＝ 2.64＋3.6= 2.4×50= 3500÷70= 2050－298= 2＋7÷9= 0.3÷3%= 81.2－11÷7－×3= 6696÷62－6.5×10.6 =
1. 89÷100= 0.82+0.08= 73×1= 0.63×10= 4÷10= 17÷1000=
0.56+0.4= 1.25×100= 5.6+99=
100÷25= 1-0.93= 90-0.9=
794－198= 68×25= 6756－193－207=
72×125= 97×360＋3×360=
4/9×3= 5÷1/3 = 1/2÷1/3 = 2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 －2/3= 2/7×2 ＝ 41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 ＝ 2/3×3＝ 8÷9/4 ＝ 5/3÷3/5 ＝ 4/5×5/8 ＝ 7/9×9/7 ＝ 2.64＋3.6= 2.4×50= 3500÷70= 2050－298= 2＋7÷9= 0.3÷3%= 81.2－11÷7－×3= 6696÷62－6.5×10.6 =
1\2×8=
1\3×9=
4\9×7=
9\11×8=
3\6×2\9=
5\9×7\2=
1\10×9\4=
23\4×2\6=
76\5×1\38=
87\9×3\19=
15\4×1\3=
56\2×1\8=
2\9×3\18=
1\4×3=
12\13×26=
19\6×3\2=
2\3×7\2=
6\7×14\2=
16\7×21\4=
29\3×6=
1\2×6=
1\6×9=
4\3×7=
9\4×8=
3\12×2\9=
5\9×7\5=
1\10×9\2=
24\4×2\6=
76\7×1\38=
87\6×3\19=
12\4×1\3=
56\2×1\7=
2\9×6\18=
1\4×7=
3\13×26=
17\6×3\2=
2\3×9\2=
6\5×14\2=
16\7×28\4=
29\2×6=
1\2×7=
1\4×9=
4\3×9=
9\4×11=
3\15×2\9=
5\7×7\5=
1\23×9\2=
24\4×1\6=
76\13×1\38=
87\9×3\19=
12\5×1\3=
56\12×1\7=
2\9×15\18=
1\11×7=
3\19×26=
17\8×3\2=
2\6×9\2=
6\15×14\2=
16\14×28\4= 29\2×4=
25 -15 -80 = 10 -80 = -70
26 -6 -64 = 20 -64 = -44
27 + 3 -48 = 30 -48 = -18
28 + 12 -32 = 40 -32 = 8
29 + 21 -16 = 50 -16 = 34
30 + 30 + 0 = 60 + 0 = 60
31 + 39 + 16 = 70 + 16 = 86
32 + 48 + 32 = 80 + 32 = 112
33 + 57 + 48 = 90 + 48 = 138
34 + 66 + 64 = 100 + 64 = 164
35 + 75 + 80 = 110 + 80 = 190
36 + 84 + 96 = 120 + 96 = 216
37 + 93 + 112 = 130 + 112 = 242
38 + 102 + 128 = 140 + 128 = 268
39 + 111 + 144 = 150 + 144 = 294
40 -30 -140 = 10 -140 = -130
41 -21 -124 = 20 -124 = -104
42 -12 -108 = 30 -108 = -78
43 -3 -92 = 40 -92 = -52
44 + 6 -76 = 50 -76 = -26
45 + 15 -60 = 60 -60 = 0
46 + 24 -44 = 70 -44 = 26
47 + 33 -28 = 80 -28 = 52
48 + 42 -12 = 90 -12 = 78
49 + 51 + 4 = 100 + 4 = 104
50 + 60 + 20 = 110 + 20 = 130
51 + 69 + 36 = 120 + 36 = 156
52 + 78 + 52 = 130 + 52 = 182
53 + 87 + 68 = 140 + 68 = 208
54 + 96 + 84 = 150 + 84 = 234
55 -45 -200 = 10 -200 = -190
56 -36 -184 = 20 -184 = -164
57 -27 -168 = 30 -168 = -138
58 -18 -152 = 40 -152 = -112
59 -9 -136 = 50 -136 = -86
60 + 0 -120 = 60 -120 = -60
61 + 9 -104 = 70 -104 = -34
62 + 18 -88 = 80 -88 = -8
63 + 27 -72 = 90 -72 = 18
64 + 36 -56 = 100 -56 = 44
65 + 45 -40 = 110 -40 = 70
66 + 54 -24 = 120 -24 = 96
67 + 63 -8 = 130 -8 = 122
68 + 72 + 8 = 140 + 8 = 148
69 + 81 + 24 = 150 + 24 = 174
70 -60 -260 = 10 -260 = -250
71 -51 -244 = 20 -244 = -224
72 -42 -228 = 30 -228 = -198
73 -33 -212 = 40 -212 = -172
74 -24 -196 = 50 -196 = -146
11 3^3-5
12 4^2-34%
13 3.25-315%
14 7^3+445%
15 12+5268.32-2569
16 123+456-52*8
17 45%+6325
18 1/2+1/3+1/4
19 789+456-78
20 45%+54%-36%
32×30= 22×30= 6×201=
17×5= 4×60= 4500÷900=
170+90= 4800÷40= 14×201=
80÷16= 4200÷20= 2500÷50=
16×5= 32×20= 67×4=
2400÷40= 3600÷60= 87÷3=
25×16= 48×9= 696÷3=
125×6= 48×25= 780÷20=
72－45= 360－85= 720÷45÷2=
3000+200= 48×125= 35×8=
80－4= 420÷35÷2= 25×32=
45÷15= 78÷2= 45×12=
6×85= 69÷23= 67+25=
710－420= 50×90= 22×8×5=
12×5= 6300÷30= 690－420=
102+284= 480+290= 930÷30=
23×3= 800×30= 2100÷70=
612÷12= 360+140= 1800÷30=
880÷20= 45×14= 3×90=
32+15= 28×7= 40×60=
32×20= 468+197= 6×80=
4700÷10= 729+302= 45－18=
2400÷20= 25×6×4= 25×28=
15×6= 125×48= 125×16=
15＋22= 102×34= 4500÷45=
25×40= 490÷35÷2= 360÷45÷2=
35×18= 264－198= 2800÷25÷4=
45×22= 521－305= 3500÷25÷2=
25＋40= 5600÷16= 67+28=
35×18= 75×19+75= 41－23=
45×22= 45×6= 375+99=
7000÷70= 45+45= 624－198=
9600÷30= 630÷90= 720÷9÷4=
320×2= 50×50= 33×6×5=
12×40= 26×20= 62+18=
560÷35÷2= 25×4= 254+99=
45×12= 750－570= 50÷7=
57+19= 60÷60= 70×60=
91－28= 58+79+42= 80×5×6=
90－25= 35×35+65×35= 125×80=
44－15= 1800÷90= 125×16=
97+18= 10×24= 45×14=
26+14= 81÷27= 69÷23=
25 -15 -80 =
26 -6 -64 =
27 + 3 -48 =
28 + 12 -32
29 + 21 -16 =
30 + 30 + 0 =
31 + 39 + 16 =
32 + 48 + 32 =
33 + 57 + 48 =
34 + 66 + 64 =
35 + 75 + 80 =
36 + 84 + 96 =
37 + 93 + 112 =
38 + 102 + 128 =
39 + 111 + 144 =
40 -30 -140 =
41 -21 -124 =
42 -12 -108 =
43 -3 -92 =
44 + 6 -76 =
45 + 15 -60 =
46 + 24 -44 =
47 + 33 -28 =
48 + 42 -12 =
49 + 51 + 4 =
50 + 60 + 20 =
51 + 69 + 36 =
52 + 78 + 52 =
53 + 87 + 68 =
54 + 96 + 84 =
55 -45 -200
56 -36 -184 =
57 -27 -168 =
58 -18 -152 =
59 -9 -136
60 + 0 -120
61 + 9 -104
62 + 18 -88
63 + 27 -72 =
64 + 36 -56
65 + 45 -40 =
66 + 54 -24 =
67 + 63 -8 =
68 + 72 + 8 =
69 + 81 + 24
70 -60 -260
71 -51 -244 =
72 -42 -228 =
73 -33 -212 =
74 -24 -196 =
840÷20=
14×70=
960÷80=
36×200=
65-18=
45-17=
26+57=
19+81=
25×30=
32+8=
270×30=
76×3=
58+34=
540-80=
420-370=
24×30=
820÷20=
830+120=
200÷40=
75×4=
0÷38=
27×200=
720÷6=
18+82=
35-7=
680+180=
86-6=
75×0=
99+31=
600×70=
510+90=
34-16=
510÷30=
72亿-18亿=
87-59=
560÷40=
960÷30=
400÷50=
960÷4=
50万-36万=
240×30=
24+75=
600-350=
15×80=
18+47=
90-24=
47-28=
86-20=
58+29=
47+38=
760-90=
17×30=
12×60=
910÷70=
16×60=
150÷10=
620÷20=
950÷50=
300÷4=
5+36=
28+57=
840+160=
280÷40=
65+30=
42×9=
32×50= 630÷90= 24×7= 16×60= 62×7= 49+38=
720÷40= 750÷50= 50×8= 52×3= 400÷50= 70+250=
840×40= 180÷60= 91×7 12×60= 17×30= 635-199=
44+48= 770÷7= 14×70= 125×8= 90-28= 35×5=
860÷20= 720+210= 91-32= 820÷20= 47-27= 53-25=
870×30= 53×6= 540-80= 40×25=
720÷60-8= 20+80÷2= (62+28)×6= 25×4-23= 150×(5+2)=
9×40÷9= 900÷50-10= 720÷20÷2= 63+48+52= 304-167-33=
194+84+106= 786+125+75= 60×8-40= 3000+98÷2= 640÷(4×2)=
90×(560÷70)= 300÷6+2500= 28×(210÷7)= 420÷6÷70= 600-25×5=
640÷80= 15×5= 23×3= 12×2×5=
480÷80= 16×5= 27×3= 90÷15=
48÷4= 640÷16= 39÷3= 24×20=
32×3= 48÷16= 12×8= 27×3=
56÷14= 24÷8= 14×2= 83－45=
560÷80= 96÷24= 40÷20= 40×30=
37＋26= 76－39= 605＋59= 30×23=
12×8= 27＋32= 48＋27= 4500×20=
73＋15 = 120×600 = 200×360= 6800×400=
280＋270= 4×2500= 6000÷40= 5×1280=
310－70= 400×14= 470＋180= 1000÷25=
160×600= 20×420= 290×300= 8100÷300=
7600÷200= 7600÷400= 680＋270= 980÷14=
4200÷30= 6×1300= 1300×50= 200×48=
930－660= 530＋280= 9200÷400= 840÷21=
180×500= 8000÷500 = 1900÷20= 200×160=
8700÷300= 300×330= 3×1400= 7000÷14=
600÷12= 9600÷80= 140×300= 8800÷40=
9600÷800= 750－290= 5×490= 760×20=
7500÷500= 370×200= 650÷13= 8600－4200=
4/9×3= 5÷1/3 = 1/2÷1/3 = 2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 －2/3= 2/7×2 ＝ 41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 ＝ 2/3×3＝ 8÷9/4 ＝ 5/3÷3/5 ＝ 4/5×5/8 ＝ 7/9×9/7 ＝ 2.64＋3.6= 2.4×50= 3500÷70= 2050－298= 2＋7÷9= 0.3÷3%= 81.2－11÷7－×3= 6696÷62－6.5×10.6 =
1. 89÷100= 0.82+0.08= 73×1= 0.63×10= 4÷10= 17÷1000=
0.56+0.4= 1.25×100= 5.6+99=
100÷25= 1-0.93= 90-0.9=
794－198= 68×25= 6756－193－207=
72×125= 97×360＋3×360=
1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25= 55
12.70+45=115
13.90×2= 180
14.16×6= 96
15.300×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
19.350-80= 270
20.160+70=230
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16= 400
30.120×25= 3000
31.36×11= 396
32.1025÷25=41
33.336+70= 406
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50= 600
38.25×8= 200
39.23×11= 253
40.125÷25=5
41.4200-2200=2000
42.220+80= 300
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷15 = 5
54.120÷24 =5
55.200÷25 = 8
56.800÷16 = 50
57.840÷21 =40
58.560÷14 = 40
59.390÷13 = 30
60.600÷15 =40
61.72÷24 = 3
62.85÷17 = 5
63.90÷15 =6
64.96÷16 = 6
65.78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40 = 6
71.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75.50÷5 =10
76.60÷8 = 7.5
77.96÷4 = 24
78.90÷6 =15
79.400+80 = 480
80.400-80 = 320
81.40×80 =3200
82.400÷80 = 5
83.48÷16 = 3
84.96÷24 =4
85.160×5= 800
86.4×250= 1000
87.0×518= 0
88.10×76= 760
89.36×10=360
90.15×6= 90
91.24×3= 72
92.5×18= 90
93.26×4= 74
94.7×15=105
95.32×30= 960
96.40×15= 600
97.60×12= 720
98.23×30= 690
99.30×50=1500
100.5×700=350
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
123+25=148 123-35=88 56×7=392 135÷5=27
248+89=337 ... 146-23=123 ... 155×5=775 ... 456-12=38...
456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47...
879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...
457+456=913...
7+14=21 ... 18-9=9...
8+16=24 ... 25-5=20...
9+18=27... 56-45=11...
10+20=30... 45-23=22...
11+22=33... 78-23=55...
12+24=36...
10-3=7
15-4=11
20-5=15
25-6=19
30-7=23
35-8=27
40-9=31
45-10=35
50-11=39
55-12=43
60-13=47
65-14=51
70-15=55
75-16=59
80-17=63
85-18=67
90-19=71
95-20=75
100-21=79
105-22=83
110-23=87
115-24=91
120-25=95
125-26=99
130-27=103
13+26=39...
14+28=42...
15+30=45...
16+32=48...
17+34=51...
18+36=54...
19+38=57...
20+40=60...
21+42=63...
22+44=66...
23+46=69...
24+48=72...
25+50=75...
26+52=78...
27+54=81...
28+56=84...
29+58=87...
30+60=90...
31+62=93...
32+64=96...
33+66=99...
5 ÷1 =5
10 ÷2 =5
15 ÷3 =5
20 ÷4 =5
25 ÷5 =5
30 ÷6 =5
35 ÷7 =5
40 ÷8 =5
45 ÷9 =5
50 ÷10 =5
55 ÷11 =5
60 ÷12 =5
65 ÷13 =5
70 ÷14 =5
75 ÷15 =5
80 ÷16 5
85 ÷17 5
90 ÷18 5
95 ÷19 5
100 ÷20 5
2.8×0.4＝
14－7.4＝
1.92÷0.04＝
0.32×500＝
0.65＋4.35＝
10－5.4＝
4÷20
3.5×200＝
1.5－0.06＝
0.75÷15＝
0.4×0.8＝
4×0.25＝
0.36＋1.54＝
1.01×99＝
420÷35＝
25×12＝
135÷0.5＝
3/4 + 1/4 =
2 + 4/9 =,
3 - 2/3 =
3/4 - 1/2=
1/6 + 1/2 -1/6 =
7.5-(2.5+3.8)=
7/8 + 3/8 =
3/10 +1/5 =
4/5 - 7/10 =
2 - 1/6 -1/3 =
0.51÷17＝
32.8＋19＝
,
5.2÷1.3＝
1.6×0.4＝
4.9×0.7＝
1÷5＝
6÷12＝
0.87－0.49＝
8+2-8+2
25*4/25*4
7.26-(5.26-1.5)
286+198
.314-202
526+301
9.223-99
6.25+3.85-2.125+3.875
9-2456*21
0.5/11.5-4*2.75
1/2×3/5
3.375+5.75+2.25+6.625
1001－9036÷18
3.8×5.25+14.5
2.1*4.3+5.7*2.1
30×1/3
102*45-328
.2/3×12
.2.8*3.1+17.6/8
3/5×5/6
(50-12.5)/2.5
.2/5×1/3
6110*47+639
1/2-1/6
3.5*2.7-52.2/18
1/7×1/5
3.375*0.97+0.97*6.625
25×4/5
6.54+2.4+3.46+0.6
.5/6-1/2
95.6*1.8+95.6*8.2
1/2×1/5
600-420/12
344/3.6-5.4*0.25
16/2+30/2+90/6
3001-1998.
5000-105*34
0.15/0.25+0.75*1.2
1/2+1/3+1/4)*0.24
25+4)*4
300-4263/21
.0.81/0.25+5.96
.403÷13×27
1.5×4.2－0.75÷0.25
3.27×4 +3.27×5.7
1.2+ 1.8）×4.51025－768÷32
25×80－0.45÷0.9
1025－768÷32
.0.25*2.69*4
2348+275*16
2/9*15/8-1/12*9/5
2.4+2.4*(5.375-3.375)
645-45*12
.0.15+1.2/0.24-0.45
.3.75-(2.35+0.25/1.25)
76*1/4+23*25/100+0.25
10-2.87-7.13
0.96+9.6*9.9
.7.5-5.7*1/3
62.12.37-3.25-6.75
16*6.8+2.2*16+16
.401*19+284
58.7-16.65/3.7
0.4*4.7*2.5+(2.3+5.3)
9.31-1.125-7.875
640+128*45
8.2*1.6-0.336/4.2
400*(0.62+0.08)
2/1*2=
3/1*3=
3/2*3=
3/1*6=
4/3*8=
5/3*20=
7/3*14=
8/7*40=
4/3*16=
9/5*27=
2/1*30=
12/7*24=
30/1*30=
51/9*102=
19/9*76=
4/9*8=
5/8*90=
99/98*99=
3/14*6=
7/1*28=
10/1*90=
5/3*105=
19/7*38=
5/1*25=
8/19*16=
61/60*122=
7/2*28=8 6/1*48=
9/7*18=
25/7*100=
9/5*81=45 8/9*16=
12÷3/5=
9÷6/7=
30÷5/6=
4×（3/2 ）=
4÷5/7=
3÷4/5=
24÷7/16=
4÷4/5=
6÷3/4=
10÷2/5=
18÷4/9=
4×4/5=
6×3/4=
10×2/5=
18×4/9=
3÷3/4=