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39÷1.5%0.15×0.2的计算过程

25.97 解析: 39÷1.5-0.15×0.2 =13÷0.5-0.15×(1/5) =26-0.03 =25.97

如果你的计算器支持“运算规则”,直接输入39÷1.5-0.15×0.2最后按=就可以。 如果你的计算器不支持“运算规则”,按39÷1.5,按M+,0.15×0.2,按M-,最后再按MR即可得到计算结果。

1.5Ⅹ2.9+0.15简便计算 =1.5x29+1.5x0.1 =1.5x(2.9+0.1) =1.5x3 =4.5

解:原式=36×15×2x36×15×2÷100 =1080x1080÷100 =108x108 =1 166 400

7.2÷15+0.3÷1.5简便 解: 7.2÷15+0.3÷1.5 =0.48+0.2 =0.68

=(41×0.15-39.8×0.15-0.03)÷1.5 =((41-39.8)×0.15-0.03)÷15 =0.15÷15 =0.01

(1)8÷1.5-0.4×0.7,=8015-0.28,=163-725,=37975;(2)5700÷25×4,=228×4,=912;(3)105×(17+23+15),=105×17+105×23+105×15,=15+70+21,=106;(4)[1-(14+38)]÷14,=[1-58]÷14,=38÷14,=32.

4.05÷0.15-2.4×1.5 =27-3.6 =23.4

解:4.8÷0.15+2.4x1.5 =4.8x100/15+2.4x1.5 =480/15+(2+0.4)x1.5 =(450+30)/15+3+0.6 =30+2+3+0.6 =35.6

1.5768/(0.18*1.25)*0.15用简便计算 1.5768/(0.18*1.25)*0.15 =1.5768÷(0.225*0.15) =1.5768÷0.03375 = 46.97050938339...

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