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3.14x5.7竖式怎么算

3.14*5.7≈17.90

如下 3.14 *3.9 ___ 2826 942 ____12.246

3.14x0.08列竖式计算3.14*0.08=0.2512

3.14x2.5= 用竖式计算并验算3.14*2.5=7.85 验算:7.85÷2.5=3.14 或:2.5*3.14=7.85

3.14x5=15.7竖式

3.14*0.2=0.628 3.1 4 【2位小数】 * 0.2 【1位小数】 0.6 2 8 【2位小数+1位小数=3位小数】

26.48x3.145.296x5.7 =26.48x3.1426.48x0.2x5.7 =26.48x3.1426.48x1.14=26.48x(3.141.14)=26.48x2=52.96

3.14*14.28=44.8392

3.14x30x30x2÷[3.14x10÷4] =3.14÷3.14*30*30*2÷10*4 =1*30*3*2*4 =12*30*2 =720

3.14乘以5.7得数保留两位小数3.14x5.7=17.898≈17.90千分位上是8,满5向百分位上进一希望能帮到你

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