2.8Ã0.4ï¼ 1.12
14ï¼7.4ï¼6.6,
1.92÷0.04ï¼48,
0.32Ã500ï¼160,
0.65ï¼4.35ï¼ 5
10ï¼5.4ï¼4.6,
4÷20ï¼0.2,
3.5Ã200ï¼700,
1.5ï¼0.06ï¼1.44
0.75÷15ï¼0.05,
0.4Ã0.8ï¼0.32,
4Ã0.25ï¼1,
0.36ï¼1.54ï¼2
1.01Ã99ï¼99.99,
420÷35ï¼12,
25Ã12ï¼300,
135÷0.5ï¼270
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÷17ï¼0.03,
32.8ï¼19ï¼51.8,
5.2÷1.3ï¼4,
1.6Ã0.4ï¼ 0.64
4.9Ã0.7ï¼3.43,
1÷5ï¼0.2,
6÷12ï¼0.5,
0.87ï¼0.49ï¼0.38
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
13.1/2Ã3/5
14.3.375 5.75 2.25 6.625
15.1001ï¼9036÷18
16.3.8Ã5.25 14.5
17.2.1*4.3 5.7*2.1
18.30Ã1/3
19.102*45-328
20.2/3Ã12
21.2.8*3.1 17.6/8
22.3/5Ã5/6
23.(50-12.5)/2.5
24.2/5Ã1/3
25.6110*47 639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7Ã1/5
29.3.375*0.97 0.97*6.625
30.25Ã4/5
31.6.54 2.4 3.46 0.6
32.5/6-1/2
33.95.6*1.8 95.6*8.2
34.1/2Ã1/5
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÷13Ã27
46.1.5Ã4.2ï¼0.75÷0.25
47.3.27Ã4 3.27Ã5.7
48.ï¼1.2 1.8ï¼Ã4.51025ï¼768÷32
49.0.25Ã80ï¼0.45÷0.9
50.1025ï¼768÷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=12Ã(5/3ï¼
9÷6/7=9Ã( 7/6 )
30÷5/6=30Ãï¼6/5 ï¼
4Ãï¼3/2 ï¼=4÷2/3
4÷5/7=4Ã7/5
3÷4/5=3Ã5/4
24÷7/16=24Ãï¼16/7 ï¼
A÷C/B=AÃB/C
4÷4/5=5
6÷3/4=8
10÷2/5=25
18÷4/9=81/2
4Ã4/5=16/5
6Ã3/4=18/4
10Ã2/5=4
18Ã4/9=8
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
6/1*48=8
9/7*18=14
25/7*100=28
9/5*81=45
8/9*16=18
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