300道小数乘法，急需啊！要答案！ 10
2个回答
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5.6×2.9 3.77×1.8 0.02×96 5.22×0.3 9.99×0.02 4.67×0.9
5×2.44 1.666×6.1 9.432×0.002 5.6×6.5 4.88×2.9 5.61×4.3 8.9×2.4 5.5×55 9.77×0.02 9.46×2.85 1.384×5.1 8.78×83 2.6×61 0.059×0.2 4.268×1.7 57×5.7 17.8×6.4 1.5×4.9 2.5×0.88
5.555×5.2 2.22×3.33 7.658×85 36.02×0.3 56.78×8
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点一下就好
720÷800= 17×300= 0.6×0.7= 8.5÷5= 2.5×100=
3.5÷70= 7.5÷25= 6.3÷9= 1.1×9= 23×100=
4.8÷40= 53÷100= 1.25×80=
0.78÷10= 7×1.2= 0.25×100=
3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08=
1-0.75= 0.5×1000= 7.82+0.3= 13.5+6.5=
3.05×100= 1.2-0.8= 21.6-12.6= 63÷100=
0.83-0.5= 0.76+0.14= 80÷1000= 2.7+0.4=
0.72-0.42= 0×10.5= 0.92-0.2= 3.5+4.8=
3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23=
0.25+0.75= 3.7+0.33= 0.51+0.33= 1-0.6=
8-4.6= 5.8-3.6= 0.52+0.4= 6.45+5.5=
4.5-1.3= 3.4-2.8= 9.53-1.53= 8.8-6.7=
10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3=
8.8-6.7= 1-0.95=
3.4-2.8= 0.96-0.35= 9.53-1.53= 0.25+0.75=
1.2-0.8= 0.83-0.5= 2.7+0.4= 0.77÷11=
3.56×10= 0.9×7= 30.5÷5= 8×0.04＋3=
5.3×0.1= 41.2＋21= 5.66÷0.2= 8.4÷0.7=
501－98= 0.1×9.02= 110÷100= 1.01×9=
3.1×10= 125×7＋125= 0.65×5= 0.1×7=
32.5÷0.5= 2.58÷0.2= 0.7＋7.32= 480＋199=
63÷0.7= 4×1.8= 0.3＋4.44= 2.01×7=
10÷8= 0.8＋7.62= 0.12×8= 4.2÷0.1=
1.6×3= 1.2×0.6= 100÷200= 6.2×0.3=
0.6×0.7= 2.8÷70= 0.9×0.4= 2.1÷7÷0.1=
5×2.1= 2.5×4×0.5= 50×0.04 = 3.4÷0.1=
6.9÷3= 100×2.5×0.4=
1.26＋0.74= 2.34－1.34= 6.3÷9= 1.5＋2.5)×0.11=
8.2÷1.9= 1.26＋0.74= 9÷5= 1－0.25－0.75=
1.6－0.9= 3.44＋0.56= 1.2÷4= 3.1＋2.5＋0.9=
6.8－2.9= 4.2－0.8= 7.34÷2= 9.7×2＋0.3×2=
125×4= 0.6×9= 5.4÷1.8= 38×0.01＋0.02=
2.7÷30= 1.01×5= 510÷100= (1.2＋0. 6)×0.1=
7. 4－2. 4= 3.7＋4.2= 2.4×3= 34×567×0=
3.2÷0.04= 0.54÷0.9= 0.4×2.5= 3.6＋5.8＋4.2=
0.15÷0.3= 3.18×100= 41×0.4= 0.86÷0. 2=
0.08＋5= 1.8×30= 80×0.4= 0.03÷0.01＋0.3=
1.2÷6= 6.4÷4= 3.6÷40= (1.5＋0.5)÷2=
3.2÷1.6= 7－0.16= 9.9÷3= 9.8－2.9－3.1=
8×20÷5= 0.8×1.25×15=
4－3.2＝ 1－0.99＝ 4.1＋4.14＝ 0.6＋0.8＝
0.81÷0.9= 1÷0.01= 0.9÷0.45= 0.48÷0.24=
1.8＋0.9＝ 0.28＋0.2＝ 6.5－5.6＝ 9.65－5＝
1.6÷0.04= 0.24×0.5= 1.85×0.1= 1.2×0.7=
0.09÷3= 4.9÷7= 0.86－0.6＝ 0.58－0.41＝
4.2×2= 1.1×3= 0.32＋0.21＝ 7.2＋2.8＝
10×0.35= 0. 06×100= 0.57－0.27＝ 0.86－0.4＝
0.74+0.54＝ 0.32+0.21= 12.3÷10= 6.53÷100=
12÷100= 0.16÷10= 1－0.42＝ 5.2＋3.5＝
0.61－0.3＝ 0.8－0.08＝ 3.6÷6= 8.4÷4=
0.64÷8= 0.6×8= 2.4÷8= 0.06÷3=
20×0.5= 1000×0.09= 6.6＋1.4＝ 3.9－2＝
0.837－0.837＝ 7.3＋1.7＝
0.35÷7= 2.8×4= 0.5×0.5= 2.5×10=
0.06×0.9= 0.05×1.6= 0.5×0.05= 0.3×0.03=
3.6÷0.3= 0.54÷0.6= 0.12÷0.4= 0.45÷0.5=
0.25×4= 2.5×0.4= 1.25×0.8= 12.5×0.8=
8.5－2.9＝ 4.8－4＝ 3.8＋4.02＝ 3.42＋0.48＝
3.7÷0.1= 2÷0.2= 1.2÷0.03= 0÷1.8=
1.08－0.8＝ 2－0.01＝ 7.51＋1.49＝ 4.6＋3＝
0.8×0.25= 110×0.1= 15÷0.5= 0.32÷0.004=
8.1÷0.3= 0.92×0= 0.1×0.001= 0.8÷0.02=
3.6÷2.4= 0.2×1.8= 4-2.56= 1.57+4.02=
9.94-5.83= 2.4×3= 24×0.03= 5.6+0.24=
14.7＋3.89－4.7＝ 4.56＋9.1＋0.44＝ 4.2-3.5=
1.76＋2.83＋0.24＝ 6.26－3.65－1.35＝ 1.74+3.26=
1.125*3+125*5+25*3+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/7 × 5/9 + 3/7 × 5/9
10. 5/2 -（ 3/2 + 4/5 ）
11. 7/8 + （ 1/8 + 1/9 ）
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×（ 1/2 + 2/3 ）
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - （ 2/7 – 10/21 ）
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. 5/3 × 11/5 + 4/3
29. 45 × 2/3 + 1/3 × 15
30. 7/19 + 12/19 × 5/6
31. 1/4 + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. 101 × 1/5 – 1/5 × 21
34.50＋160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37（58+37）÷（64-9×5）
38.95÷（64-45）
39.178-145÷5×6+42
40.812-700÷（9+31×11）
41.85+14×（14+208÷26）
43.120-36×4÷18+35
44.（58+37）÷（64-9×5）
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.（3.2×1.5+2.5）÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×（4.8-1.2×4）=
51.5.8×（3.87-0.13）+4.2×3.74
52.32.52-（6+9.728÷3.2）×2.5
53.[（7.1-5.6）×0.9-1.15] ÷2.5
54.5.4÷[2.6×（3.7-2.9）+0.62]
55.12×6÷（12-7.2）-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370）÷（64-45）
59.420+580-64×21÷28
60.136+6×（65-345÷23）
15-10.75×0.4-5.7
62.18.1＋（3－0.299÷0.23）×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.（3.2×1.5+2.5）÷1.6
66.3.2×6+（1.5+2.5）÷1.6
67.0.68×1.9+0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×（3.87-0.13）+4.2×3.74
70.32.52-（6+9.728÷3.2）×2.5
71.[（7.1-5.6）×0.9-1.15] ÷2.5
72.5.4÷[2.6×（3.7-2.9）+0.62]
73.12×6÷（12-7.2）-6
74.12×6÷7.2-6
75.33.02－（148.4－90.85）÷2.5
1) 76.(25%-695%-12%)*36
77./4*3/5+3/4*2/5
78.1-1/4+8/9/7/9
79.+1/6/3/24+2/21
80./15*3/5
81.3/4/9/10-1/6
82./3+1/2)/5/6-1/3]/1/7
83./5+3/5/2+3/4
84.(2-2/3/1/2)]*2/5
85.+5268.32-2569
86.3+456-52*8
87.5%+6325
88./2+1/3+1/4
85.44÷16 42.84÷7 101.7÷9 67.5÷15 230.4÷6
=5.34 6.12 11.3 4.5 38.4
21.24÷36 0.736÷23 43.5÷12 35.21÷7 39.6÷24
=0.59 0.032 3.625 5.03 1.65
6.21÷0.03 210÷1.4 51.3÷0.27 91.2÷3.8 0.756÷0.18
=207 150 190 24 4.2
0.66÷0.3 11.97÷1.5 69.6÷2.9 38.4÷0.8 15÷0.06 2.2
=7.98 2.4 48 250
5.6×2.9 3.77×1.8 0.02×96 5.22×0.3 9.99×0.02
=16.24 6.786 1.92 1.566 0.1998
4.67×0.9 5×2.44 1.666×6.1 9.432×0.002 5.6×6.5
=4.203 12.2 10.1626 0.018864 36.4
4.88×2.9 5.61×4.3 8.9×2.4 5.5×55 9.77×0.02
=14.152 24.123 21.36 302.5 0.1954
1.384×5.1 8.78×83 2.6×61 0.059×0.2 4.268×1.7
=7.0584 728.74 158.6 0.0118 7.2556
57×5.7 9.46×2.85 17.8×6.4 1.5×4.9 2.5×0.88
=324.9 26.961 113.92 7.35 2.2
5.555×5.2 2.22×3.33 7.658×85 36.02×0.3 56.78×8
=28.886 7.3926 650.93 10.806 454.24
（循环小数的用简便方法，除不尽保留2位小数）：
8.2÷0.12 0.8÷0.9 76.4÷5.4 4.7÷3 1.25÷1.2
=68.33 0.89 14.15 1.57 1.04
32÷42 14.36÷2.7 8.33÷6.2 1.7÷0.03 2.41÷0.7
= 0.76 5.32 1.34 56.67 3.44
用竖式计算
0.396÷1.2= 0.756÷0.36= 15.6×13= 0.18×15=
0.33 2.1 202.8 2.7
0.025×14= 3.06×36= 0.04×0.12＝ 3.84×2.6≈
0.35 110.16 0.0048 9.984
5.76×3＝ 7.15×22 90.75÷3.3 3.68×0.25
17.28 157.3 27.5 0.92
16.9÷0.13 1.55÷3.9 3.7×0.016 13.76×0.8=
130 0.397 0.0592 11.008
5.2×0.6 8.4×1.3 6.4×0.5 4.48×0.4
3.12 10.92 3.2 1.792
5.25×5 35.4×4.2 0.042×0.54 0.76×0.32
26.25 148.68 0.02268 0.2432
0.25×0.046 2.52×3.4 1.08×25 0.12×0.5×0.16＝
0.0115 8.568 27 0.0096
4.8×0.25＝ 0.125×1.4≈（保留两位小数）
1.2 0.18
2.5÷0.7= （保留三位小数） 10.1÷3.3= （商用循环小数）
3.571 3.06060606......
10.75÷12.5= （用乘法验算） 3.25×9.04= （用除法验算）
0.86 29.38
3、脱式计算（能简算的要简算）
2.5×7.1×4 16.12×99＋16.12 5.2×0.9＋0.9
71 1612 5.58
7.28×99+7.28 4.3×50×0.2 64－2.64×0.5
728 43 62.68
26×15.7＋15.7×24 (2.275 ＋0.625)×0.28 3.94+34.3×0.2
785 0.812 10.8
1.2×(9.6÷2.4)÷4.8 8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
1 46.013 56.862 30
应该差不多了吧
5×2.44 1.666×6.1 9.432×0.002 5.6×6.5 4.88×2.9 5.61×4.3 8.9×2.4 5.5×55 9.77×0.02 9.46×2.85 1.384×5.1 8.78×83 2.6×61 0.059×0.2 4.268×1.7 57×5.7 17.8×6.4 1.5×4.9 2.5×0.88
5.555×5.2 2.22×3.33 7.658×85 36.02×0.3 56.78×8
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点一下就好
720÷800= 17×300= 0.6×0.7= 8.5÷5= 2.5×100=
3.5÷70= 7.5÷25= 6.3÷9= 1.1×9= 23×100=
4.8÷40= 53÷100= 1.25×80=
0.78÷10= 7×1.2= 0.25×100=
3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08=
1-0.75= 0.5×1000= 7.82+0.3= 13.5+6.5=
3.05×100= 1.2-0.8= 21.6-12.6= 63÷100=
0.83-0.5= 0.76+0.14= 80÷1000= 2.7+0.4=
0.72-0.42= 0×10.5= 0.92-0.2= 3.5+4.8=
3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23=
0.25+0.75= 3.7+0.33= 0.51+0.33= 1-0.6=
8-4.6= 5.8-3.6= 0.52+0.4= 6.45+5.5=
4.5-1.3= 3.4-2.8= 9.53-1.53= 8.8-6.7=
10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3=
8.8-6.7= 1-0.95=
3.4-2.8= 0.96-0.35= 9.53-1.53= 0.25+0.75=
1.2-0.8= 0.83-0.5= 2.7+0.4= 0.77÷11=
3.56×10= 0.9×7= 30.5÷5= 8×0.04＋3=
5.3×0.1= 41.2＋21= 5.66÷0.2= 8.4÷0.7=
501－98= 0.1×9.02= 110÷100= 1.01×9=
3.1×10= 125×7＋125= 0.65×5= 0.1×7=
32.5÷0.5= 2.58÷0.2= 0.7＋7.32= 480＋199=
63÷0.7= 4×1.8= 0.3＋4.44= 2.01×7=
10÷8= 0.8＋7.62= 0.12×8= 4.2÷0.1=
1.6×3= 1.2×0.6= 100÷200= 6.2×0.3=
0.6×0.7= 2.8÷70= 0.9×0.4= 2.1÷7÷0.1=
5×2.1= 2.5×4×0.5= 50×0.04 = 3.4÷0.1=
6.9÷3= 100×2.5×0.4=
1.26＋0.74= 2.34－1.34= 6.3÷9= 1.5＋2.5)×0.11=
8.2÷1.9= 1.26＋0.74= 9÷5= 1－0.25－0.75=
1.6－0.9= 3.44＋0.56= 1.2÷4= 3.1＋2.5＋0.9=
6.8－2.9= 4.2－0.8= 7.34÷2= 9.7×2＋0.3×2=
125×4= 0.6×9= 5.4÷1.8= 38×0.01＋0.02=
2.7÷30= 1.01×5= 510÷100= (1.2＋0. 6)×0.1=
7. 4－2. 4= 3.7＋4.2= 2.4×3= 34×567×0=
3.2÷0.04= 0.54÷0.9= 0.4×2.5= 3.6＋5.8＋4.2=
0.15÷0.3= 3.18×100= 41×0.4= 0.86÷0. 2=
0.08＋5= 1.8×30= 80×0.4= 0.03÷0.01＋0.3=
1.2÷6= 6.4÷4= 3.6÷40= (1.5＋0.5)÷2=
3.2÷1.6= 7－0.16= 9.9÷3= 9.8－2.9－3.1=
8×20÷5= 0.8×1.25×15=
4－3.2＝ 1－0.99＝ 4.1＋4.14＝ 0.6＋0.8＝
0.81÷0.9= 1÷0.01= 0.9÷0.45= 0.48÷0.24=
1.8＋0.9＝ 0.28＋0.2＝ 6.5－5.6＝ 9.65－5＝
1.6÷0.04= 0.24×0.5= 1.85×0.1= 1.2×0.7=
0.09÷3= 4.9÷7= 0.86－0.6＝ 0.58－0.41＝
4.2×2= 1.1×3= 0.32＋0.21＝ 7.2＋2.8＝
10×0.35= 0. 06×100= 0.57－0.27＝ 0.86－0.4＝
0.74+0.54＝ 0.32+0.21= 12.3÷10= 6.53÷100=
12÷100= 0.16÷10= 1－0.42＝ 5.2＋3.5＝
0.61－0.3＝ 0.8－0.08＝ 3.6÷6= 8.4÷4=
0.64÷8= 0.6×8= 2.4÷8= 0.06÷3=
20×0.5= 1000×0.09= 6.6＋1.4＝ 3.9－2＝
0.837－0.837＝ 7.3＋1.7＝
0.35÷7= 2.8×4= 0.5×0.5= 2.5×10=
0.06×0.9= 0.05×1.6= 0.5×0.05= 0.3×0.03=
3.6÷0.3= 0.54÷0.6= 0.12÷0.4= 0.45÷0.5=
0.25×4= 2.5×0.4= 1.25×0.8= 12.5×0.8=
8.5－2.9＝ 4.8－4＝ 3.8＋4.02＝ 3.42＋0.48＝
3.7÷0.1= 2÷0.2= 1.2÷0.03= 0÷1.8=
1.08－0.8＝ 2－0.01＝ 7.51＋1.49＝ 4.6＋3＝
0.8×0.25= 110×0.1= 15÷0.5= 0.32÷0.004=
8.1÷0.3= 0.92×0= 0.1×0.001= 0.8÷0.02=
3.6÷2.4= 0.2×1.8= 4-2.56= 1.57+4.02=
9.94-5.83= 2.4×3= 24×0.03= 5.6+0.24=
14.7＋3.89－4.7＝ 4.56＋9.1＋0.44＝ 4.2-3.5=
1.76＋2.83＋0.24＝ 6.26－3.65－1.35＝ 1.74+3.26=
1.125*3+125*5+25*3+25
2.9999*3+101*11*(101-92)
3.(23/4-3/4)*(3*6+2)
4. 3/7 × 49/9 - 4/3
5. 8/9 × 15/36 + 1/27
6. 12× 5/6 – 2/9 ×3
7. 8× 5/4 + 1/4
8. 6÷ 3/8 – 3/8 ÷6
9. 4/7 × 5/9 + 3/7 × 5/9
10. 5/2 -（ 3/2 + 4/5 ）
11. 7/8 + （ 1/8 + 1/9 ）
12. 9 × 5/6 + 5/6
13. 3/4 × 8/9 - 1/3
14. 7 × 5/49 + 3/14
15. 6 ×（ 1/2 + 2/3 ）
16. 8 × 4/5 + 8 × 11/5
17. 31 × 5/6 – 5/6
18. 9/7 - （ 2/7 – 10/21 ）
19. 5/9 × 18 – 14 × 2/7
20. 4/5 × 25/16 + 2/3 × 3/4
21. 14 × 8/7 – 5/6 × 12/15
22. 17/32 – 3/4 × 9/24
23. 3 × 2/9 + 1/3
24. 5/7 × 3/25 + 3/7
25. 3/14 ×× 2/3 + 1/6
26. 1/5 × 2/3 + 5/6
27. 9/22 + 1/11 ÷ 1/2
28. 5/3 × 11/5 + 4/3
29. 45 × 2/3 + 1/3 × 15
30. 7/19 + 12/19 × 5/6
31. 1/4 + 3/4 ÷ 2/3
32. 8/7 × 21/16 + 1/2
33. 101 × 1/5 – 1/5 × 21
34.50＋160÷40
35.120-144÷18+35
36.347+45×2-4160÷52
37（58+37）÷（64-9×5）
38.95÷（64-45）
39.178-145÷5×6+42
40.812-700÷（9+31×11）
41.85+14×（14+208÷26）
43.120-36×4÷18+35
44.（58+37）÷（64-9×5）
45.(6.8-6.8×0.55)÷8.5
46.0.12× 4.8÷0.12×4.8
47.（3.2×1.5+2.5）÷1.6
48.6-1.6÷4= 5.38+7.85-5.37=
49.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
50.6.5×（4.8-1.2×4）=
51.5.8×（3.87-0.13）+4.2×3.74
52.32.52-（6+9.728÷3.2）×2.5
53.[（7.1-5.6）×0.9-1.15] ÷2.5
54.5.4÷[2.6×（3.7-2.9）+0.62]
55.12×6÷（12-7.2）-6
56.12×6÷7.2-6
57.0.68×1.9+0.32×1.9
58.58+370）÷（64-45）
59.420+580-64×21÷28
60.136+6×（65-345÷23）
15-10.75×0.4-5.7
62.18.1＋（3－0.299÷0.23）×1
63.(6.8-6.8×0.55)÷8.5
64.0.12× 4.8÷0.12×4.8
65.（3.2×1.5+2.5）÷1.6
66.3.2×6+（1.5+2.5）÷1.6
67.0.68×1.9+0.32×1.9
68.10.15-10.75×0.4-5.7
69.5.8×（3.87-0.13）+4.2×3.74
70.32.52-（6+9.728÷3.2）×2.5
71.[（7.1-5.6）×0.9-1.15] ÷2.5
72.5.4÷[2.6×（3.7-2.9）+0.62]
73.12×6÷（12-7.2）-6
74.12×6÷7.2-6
75.33.02－（148.4－90.85）÷2.5
1) 76.(25%-695%-12%)*36
77./4*3/5+3/4*2/5
78.1-1/4+8/9/7/9
79.+1/6/3/24+2/21
80./15*3/5
81.3/4/9/10-1/6
82./3+1/2)/5/6-1/3]/1/7
83./5+3/5/2+3/4
84.(2-2/3/1/2)]*2/5
85.+5268.32-2569
86.3+456-52*8
87.5%+6325
88./2+1/3+1/4
85.44÷16 42.84÷7 101.7÷9 67.5÷15 230.4÷6
=5.34 6.12 11.3 4.5 38.4
21.24÷36 0.736÷23 43.5÷12 35.21÷7 39.6÷24
=0.59 0.032 3.625 5.03 1.65
6.21÷0.03 210÷1.4 51.3÷0.27 91.2÷3.8 0.756÷0.18
=207 150 190 24 4.2
0.66÷0.3 11.97÷1.5 69.6÷2.9 38.4÷0.8 15÷0.06 2.2
=7.98 2.4 48 250
5.6×2.9 3.77×1.8 0.02×96 5.22×0.3 9.99×0.02
=16.24 6.786 1.92 1.566 0.1998
4.67×0.9 5×2.44 1.666×6.1 9.432×0.002 5.6×6.5
=4.203 12.2 10.1626 0.018864 36.4
4.88×2.9 5.61×4.3 8.9×2.4 5.5×55 9.77×0.02
=14.152 24.123 21.36 302.5 0.1954
1.384×5.1 8.78×83 2.6×61 0.059×0.2 4.268×1.7
=7.0584 728.74 158.6 0.0118 7.2556
57×5.7 9.46×2.85 17.8×6.4 1.5×4.9 2.5×0.88
=324.9 26.961 113.92 7.35 2.2
5.555×5.2 2.22×3.33 7.658×85 36.02×0.3 56.78×8
=28.886 7.3926 650.93 10.806 454.24
（循环小数的用简便方法，除不尽保留2位小数）：
8.2÷0.12 0.8÷0.9 76.4÷5.4 4.7÷3 1.25÷1.2
=68.33 0.89 14.15 1.57 1.04
32÷42 14.36÷2.7 8.33÷6.2 1.7÷0.03 2.41÷0.7
= 0.76 5.32 1.34 56.67 3.44
用竖式计算
0.396÷1.2= 0.756÷0.36= 15.6×13= 0.18×15=
0.33 2.1 202.8 2.7
0.025×14= 3.06×36= 0.04×0.12＝ 3.84×2.6≈
0.35 110.16 0.0048 9.984
5.76×3＝ 7.15×22 90.75÷3.3 3.68×0.25
17.28 157.3 27.5 0.92
16.9÷0.13 1.55÷3.9 3.7×0.016 13.76×0.8=
130 0.397 0.0592 11.008
5.2×0.6 8.4×1.3 6.4×0.5 4.48×0.4
3.12 10.92 3.2 1.792
5.25×5 35.4×4.2 0.042×0.54 0.76×0.32
26.25 148.68 0.02268 0.2432
0.25×0.046 2.52×3.4 1.08×25 0.12×0.5×0.16＝
0.0115 8.568 27 0.0096
4.8×0.25＝ 0.125×1.4≈（保留两位小数）
1.2 0.18
2.5÷0.7= （保留三位小数） 10.1÷3.3= （商用循环小数）
3.571 3.06060606......
10.75÷12.5= （用乘法验算） 3.25×9.04= （用除法验算）
0.86 29.38
3、脱式计算（能简算的要简算）
2.5×7.1×4 16.12×99＋16.12 5.2×0.9＋0.9
71 1612 5.58
7.28×99+7.28 4.3×50×0.2 64－2.64×0.5
728 43 62.68
26×15.7＋15.7×24 (2.275 ＋0.625)×0.28 3.94+34.3×0.2
785 0.812 10.8
1.2×(9.6÷2.4)÷4.8 8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46
1 46.013 56.862 30
应该差不多了吧
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