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 =
794－198= 68×25= 6756－193－207=
72×125= 97×360＋3×360=
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/115/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
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 =
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) 1/2+1/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
1、1.2×3=
5、2-0.8=
9、10.7-5.7=
13、0.52+0.08=
17、2÷5=
21、8×0.03
25、0.01×100=
25、30×0.01=
29、0×1.22=
40、0.6×5=
43、1.2-0.9=
6、0.54÷0.6=
10、0.26×0.3=
14、1÷0.05=
18、20×0.4=
26、2.8+10.2=
34、7-0.9=
58、0.55+0.3=
38、0.8+0.2=
41、16÷0.4=
44、0.14×5=
19、2.5×4=
31、15.3-10=
35、3.3+7=
39、6÷10=
45、0.86+2.14=
8、0.37+4=
16、3.2÷0.8=
20、0.45+0.55=
24、6.4÷8=
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)
1/2+1/3
2/1-5/4
9\3*3\9
3/4+5/4=? 4/5+6/5=? 5/6+6/7=?
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -（ 3/2 + 4/5 ）
8. 7/8 + （ 1/8 + 1/9 ）
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×（ 1/2 + 2/3 ）
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - （ 2/7 – 10/21 ）
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
嘻嘻