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
4/9Ã3= 5÷1/3 = 1/2÷1/3 = 2/7Ã3/9 ÷2/7 = 21/25÷42= 4/5Ã3/4 = 8.7Ã0.2= 4Ã0.25= 1/7Ã14= 2/3÷5/6= 1.25Ã8= 3/5÷5/8= 6/7Ã3/2= 6Ã8.8= 4/11÷4= 4/9Ã3/8= 5/3÷5= 0÷8/3= 4/7 ï¼2/3= 2/7Ã2 ï¼ 41/12Ã4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12Ã16/9 ï¼ 2/3Ã3ï¼ 8÷9/4 ï¼ 5/3÷3/5 ï¼ 4/5Ã5/8 ï¼ 7/9Ã9/7 ï¼ 2.64ï¼3.6= 2.4Ã50= 3500÷70= 2050ï¼298= 2ï¼7÷9= 0.3÷3%= 81.2ï¼11÷7ï¼Ã3= 6696÷62ï¼6.5Ã10.6 =
1. 89÷100= 0.82+0.08= 73Ã1= 0.63Ã10= 4÷10= 17÷1000=
0.56+0.4= 1.25Ã100= 5.6+99=
100÷25= 1-0.93= 90-0.9=
794ï¼198= 68Ã25= 6756ï¼193ï¼207=
72Ã125= 97Ã360ï¼3Ã360=
4/9Ã3= 5÷1/3 = 1/2÷1/3 = 2/7Ã3/9 ÷2/7 = 21/25÷42= 4/5Ã3/4 = 8.7Ã0.2= 4Ã0.25= 1/7Ã14= 2/3÷5/6= 1.25Ã8= 3/5÷5/8= 6/7Ã3/2= 6Ã8.8= 4/11÷4= 4/9Ã3/8= 5/3÷5= 0÷8/3= 4/7 ï¼2/3= 2/7Ã2 ï¼ 41/12Ã4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12Ã16/9 ï¼ 2/3Ã3ï¼ 8÷9/4 ï¼ 5/3÷3/5 ï¼ 4/5Ã5/8 ï¼ 7/9Ã9/7 ï¼ 2.64ï¼3.6= 2.4Ã50= 3500÷70= 2050ï¼298= 2ï¼7÷9= 0.3÷3%= 81.2ï¼11÷7ï¼Ã3= 6696÷62ï¼6.5Ã10.6 =
1\2Ã8=
1\3Ã9=
4\9Ã7=
9\11Ã8=
3\6Ã2\9=
5\9Ã7\2=
1\10Ã9\4=
23\4Ã2\6=
76\5Ã1\38=
87\9Ã3\19=
15\4Ã1\3=
56\2Ã1\8=
2\9Ã3\18=
1\4Ã3=
12\13Ã26=
19\6Ã3\2=
2\3Ã7\2=
6\7Ã14\2=
16\7Ã21\4=
29\3Ã6=
1\2Ã6=
1\6Ã9=
4\3Ã7=
9\4Ã8=
3\12Ã2\9=
5\9Ã7\5=
1\10Ã9\2=
24\4Ã2\6=
76\7Ã1\38=
87\6Ã3\19=
12\4Ã1\3=
56\2Ã1\7=
2\9Ã6\18=
1\4Ã7=
3\13Ã26=
17\6Ã3\2=
2\3Ã9\2=
6\5Ã14\2=
16\7Ã28\4=
29\2Ã6=
1\2Ã7=
1\4Ã9=
4\3Ã9=
9\4Ã11=
3\15Ã2\9=
5\7Ã7\5=
1\23Ã9\2=
24\4Ã1\6=
76\13Ã1\38=
87\9Ã3\19=
12\5Ã1\3=
56\12Ã1\7=
2\9Ã15\18=
1\11Ã7=
3\19Ã26=
17\8Ã3\2=
2\6Ã9\2=
6\15Ã14\2=
16\14Ã28\4= 29\2Ã4=
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%
32Ã30= 22Ã30= 6Ã201=
17Ã5= 4Ã60= 4500÷900=
170+90= 4800÷40= 14Ã201=
80÷16= 4200÷20= 2500÷50=
16Ã5= 32Ã20= 67Ã4=
2400÷40= 3600÷60= 87÷3=
25Ã16= 48Ã9= 696÷3=
125Ã6= 48Ã25= 780÷20=
72ï¼45= 360ï¼85= 720÷45÷2=
3000+200= 48Ã125= 35Ã8=
80ï¼4= 420÷35÷2= 25Ã32=
45÷15= 78÷2= 45Ã12=
6Ã85= 69÷23= 67+25=
710ï¼420= 50Ã90= 22Ã8Ã5=
12Ã5= 6300÷30= 690ï¼420=
102+284= 480+290= 930÷30=
23Ã3= 800Ã30= 2100÷70=
612÷12= 360+140= 1800÷30=
880÷20= 45Ã14= 3Ã90=
32+15= 28Ã7= 40Ã60=
32Ã20= 468+197= 6Ã80=
4700÷10= 729+302= 45ï¼18=
2400÷20= 25Ã6Ã4= 25Ã28=
15Ã6= 125Ã48= 125Ã16=
15ï¼22= 102Ã34= 4500÷45=
25Ã40= 490÷35÷2= 360÷45÷2=
35Ã18= 264ï¼198= 2800÷25÷4=
45Ã22= 521ï¼305= 3500÷25÷2=
25ï¼40= 5600÷16= 67+28=
35Ã18= 75Ã19+75= 41ï¼23=
45Ã22= 45Ã6= 375+99=
7000÷70= 45+45= 624ï¼198=
9600÷30= 630÷90= 720÷9÷4=
320Ã2= 50Ã50= 33Ã6Ã5=
12Ã40= 26Ã20= 62+18=
560÷35÷2= 25Ã4= 254+99=
45Ã12= 750ï¼570= 50÷7=
57+19= 60÷60= 70Ã60=
91ï¼28= 58+79+42= 80Ã5Ã6=
90ï¼25= 35Ã35+65Ã35= 125Ã80=
44ï¼15= 1800÷90= 125Ã16=
97+18= 10Ã24= 45Ã14=
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=
14Ã70=
960÷80=
36Ã200=
65-18=
45-17=
26+57=
19+81=
25Ã30=
32+8=
270Ã30=
76Ã3=
58+34=
540-80=
420-370=
24Ã30=
820÷20=
830+120=
200÷40=
75Ã4=
0÷38=
27Ã200=
720÷6=
18+82=
35-7=
680+180=
86-6=
75Ã0=
99+31=
600Ã70=
510+90=
34-16=
510÷30=
72亿-18亿=
87-59=
560÷40=
960÷30=
400÷50=
960÷4=
50ä¸-36ä¸=
240Ã30=
24+75=
600-350=
15Ã80=
18+47=
90-24=
47-28=
86-20=
58+29=
47+38=
760-90=
17Ã30=
12Ã60=
910÷70=
16Ã60=
150÷10=
620÷20=
950÷50=
300÷4=
5+36=
28+57=
840+160=
280÷40=
65+30=
42Ã9=
32Ã50= 630÷90= 24Ã7= 16Ã60= 62Ã7= 49+38=
720÷40= 750÷50= 50Ã8= 52Ã3= 400÷50= 70+250=
840Ã40= 180÷60= 91Ã7 12Ã60= 17Ã30= 635-199=
44+48= 770÷7= 14Ã70= 125Ã8= 90-28= 35Ã5=
860÷20= 720+210= 91-32= 820÷20= 47-27= 53-25=
870Ã30= 53Ã6= 540-80= 40Ã25=
720÷60-8= 20+80÷2= (62+28)Ã6= 25Ã4-23= 150Ã(5+2)=
9Ã40÷9= 900÷50-10= 720÷20÷2= 63+48+52= 304-167-33=
194+84+106= 786+125+75= 60Ã8-40= 3000+98÷2= 640÷(4Ã2)=
90Ã(560÷70)= 300÷6+2500= 28Ã(210÷7)= 420÷6÷70= 600-25Ã5=
640÷80= 15Ã5= 23Ã3= 12Ã2Ã5=
480÷80= 16Ã5= 27Ã3= 90÷15=
48÷4= 640÷16= 39÷3= 24Ã20=
32Ã3= 48÷16= 12Ã8= 27Ã3=
56÷14= 24÷8= 14Ã2= 83ï¼45=
560÷80= 96÷24= 40÷20= 40Ã30=
37ï¼26= 76ï¼39= 605ï¼59= 30Ã23=
12Ã8= 27ï¼32= 48ï¼27= 4500Ã20=
73ï¼15 = 120Ã600 = 200Ã360= 6800Ã400=
280ï¼270= 4Ã2500= 6000÷40= 5Ã1280=
310ï¼70= 400Ã14= 470ï¼180= 1000÷25=
160Ã600= 20Ã420= 290Ã300= 8100÷300=
7600÷200= 7600÷400= 680ï¼270= 980÷14=
4200÷30= 6Ã1300= 1300Ã50= 200Ã48=
930ï¼660= 530ï¼280= 9200÷400= 840÷21=
180Ã500= 8000÷500 = 1900÷20= 200Ã160=
8700÷300= 300Ã330= 3Ã1400= 7000÷14=
600÷12= 9600÷80= 140Ã300= 8800÷40=
9600÷800= 750ï¼290= 5Ã490= 760Ã20=
7500÷500= 370Ã200= 650÷13= 8600ï¼4200=
4/9Ã3= 5÷1/3 = 1/2÷1/3 = 2/7Ã3/9 ÷2/7 = 21/25÷42= 4/5Ã3/4 = 8.7Ã0.2= 4Ã0.25= 1/7Ã14= 2/3÷5/6= 1.25Ã8= 3/5÷5/8= 6/7Ã3/2= 6Ã8.8= 4/11÷4= 4/9Ã3/8= 5/3÷5= 0÷8/3= 4/7 ï¼2/3= 2/7Ã2 ï¼ 41/12Ã4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12Ã16/9 ï¼ 2/3Ã3ï¼ 8÷9/4 ï¼ 5/3÷3/5 ï¼ 4/5Ã5/8 ï¼ 7/9Ã9/7 ï¼ 2.64ï¼3.6= 2.4Ã50= 3500÷70= 2050ï¼298= 2ï¼7÷9= 0.3÷3%= 81.2ï¼11÷7ï¼Ã3= 6696÷62ï¼6.5Ã10.6 =
1. 89÷100= 0.82+0.08= 73Ã1= 0.63Ã10= 4÷10= 17÷1000=
0.56+0.4= 1.25Ã100= 5.6+99=
100÷25= 1-0.93= 90-0.9=
794ï¼198= 68Ã25= 6756ï¼193ï¼207=
72Ã125= 97Ã360ï¼3Ã360=
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