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3.14乘0.68竖式

3.14*0.68=2.1352,竖式计算如下:

(1)5.5*2.02=11.11; (2)3.14*0.68≈2.14; (3)7.85*6.3≈49.46; (4)5.4*0.68=3.672.

3.14x0.68=2.1352

解:3.14*0.68=3.14*4*0.17=4*3.14*(0.1+0.07)=4*(0.314+0.2168)=1.256+0.8672=2.1232

3.14*0.68+3.14*0.32=3.14*(0.68+0.32)=3.14

3.14^+0.86^+6.28*0.86=(3.14+0.86)^2=4^2=16.

3.14*0.205=0.6437 ~回答完毕~ ~\(^o^)/~祝学习进步~~~

0.006÷0.68=6÷680=0.0088 竖式见图:

0.86*3.14=2.7004 3.14 * 0.86 1884 2512 2.7004

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