14-7,4=6,6,
1,92÷0,04=48,
0,32×500=160,
0,65 4,35= 5
10-5,4=4,6,
4÷20=0,2,
3,5×200=700,
1,5-0,06=1,44
0,75÷15=0,05,
0,4×0,8=0,32,
4×0,25=1,
0.36 1.54=2
1.01×99=99.99,
420÷35=12,
25×12=300,
135÷0.5=270
3/4 1/4 =1,
2 4/9 =22/9,
3 - 2/ 3 =7/3,
3/4 - 1/2= 1/4
1/6 1/2 -1/6 =1/2,
7.5-(2.5 3.8)=1.2,
7/8 3/8 =5/4
3/10 1/5 =1/2,
4/5 - 7/10 =1/10,
2 - 1/6 -1/3 =1,5
0,51÷17=0,03,
32.8 19=51.8,
5.2÷1.3=4,
1.6×0.4= 0.64
4.9×0.7=3.43,
1÷5=0.2,
6÷12=0.5,
0.87-0.49=0.38
1.(1 1/2) (1 1/3)(1 1/4)......(1 1/100)
2.(1-1/2)(1-1/3)(1- 1/4)......(1-1/100)
3.8 2-8 2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286 198
7.314-202
8.526 301
9.223-99
10.6.25 3.85-2.125 3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2× 3/5
14.3.375 5.75 2.25 6.625
15.1001-9036÷18
16.3.8×5.25 14.5
17.2. 1*4.3 5.7*2.1
18.30×1/3
19.102*45-328
20.2/3×12
21.2 .8*3.1 17.6/8
22.3/5×5/6
23.(50-12.5)/2.5
24.2/5×1/ 3
25.6110*47 639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1 /7×1/5
29.3.375*0.97 0.97*6.625
30.25×4/5
31.6.54 2.4 3.46 0.6
>32.5/6-1/2
33.95.6*1.8 95.6*8.2
34.1/2×1/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2 30/2 90/6
38.3001-1998.
39.5000-105 *34
40.0.15/0.25 0.75*1.2
41.(1/2 1/3 1/4)*0.24
42.(25 4)*4
43.300-4263/21
44.0.81/0.25 5.96
45.403÷13×27
46.1. 5×4.2-0.75÷0.25
47.3.27×4 3.27×5.7
48.(1.2 1.8)×4.51025-768÷32
49.0. 25×80-0.45÷0.9
50.1025-768÷32
51.0.25*2.69*4
52.2348 275*16
53.2/9*15/8-1/12*9/5
54.2.4 2.4*(5.375-3.375)
55.645-45*12
56.0.15 1.2/0.24-0.45
57.3.75-(2.35 0.25/1.25)
58.76*1/4 23*25/100 0.25
59.10-2.87-7.13
60.0.96 9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8 2.2*16 16
64.401*19 284
65.58.7-16.65/3.7
66.0.4* 4,7*2,5 (2,3 5,3)
67.9.31-1.125-7.875
68.640 128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62 0.08)
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
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
12÷3/5=12×(5/3)
9÷6/7=9×(7/6)
30÷5/6=30×(6/5)
4×(3/2) =4÷2/3
4÷5/7=4×7/5
3÷4/5=3×5/4
24 ÷7/16=24×(16/7 )
A÷C/B=A×B/C
4÷4/5=5
6÷3/4=8
10÷2/5=25
18÷4/9=81/2
4×4/5 =16/5
6×3/4=18/4
10×2/5=4
18×4/9=8 p>
3÷3/4=4
2÷1/3=6
6÷4/5=15/2
1 ÷5/7=7/5
3/4÷3=1/4
1/3÷2=1/6
4 /5 ÷6=2/15
5/7÷1=5/7
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 <
/p>
6/1*48=8
9/7*18=14
25/7*100=28
9/ 5*81=45
8/9*16=18