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3.14x36

竖式 3. 1 4 x 3 6 ______________ 1 8 8 4 9 4 2 ———————— 1 1 3. 0 4

计算结果等于1884/5,等于376.8

-3.14x35.2+6.28x(-23.3)-1.57x36.4 =-3.14x35.2+3.14x(-46.6)-3.14x18.2 =-3.14x(35.2+46.6+18.2) =-3.14x100 =-314

(3.14-1.4)x36 =36*1.74 =62.64 ‘没有简算,直接计算

720/(2x3.14x0.36)=318.3≈318(圈)

小路的面积是:3.14x(16÷2+2)²-3.14x(16÷2)²=3.14x10²-3.14x8²=3.14x36=113.04平方米 futqy20... 推荐于:2017-10-06 10 7 分享 ...

-3.14x35.2+6.28x(-23.3)-1.57x36.4 =-3.14x35.2+3.14x(-46.6)-3.14x18.2 =-3.14x(35.2+46.6+18.2) =-3.14x100 =-314

花坛半径:12÷2=6(米)小路面积:3.14x7x7-3.14x6x6=3.14x49-3.14x36=3.14x(49-36)=3.14x13=40.82(平方米) wdxf444... 推荐于:2017-10-02 4 7 ...

3.14*40*x/180=52.36 x=52.36*180/(3.14*40) x≈75.038

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