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8.36×10.1简便计算

10.1*8.36=10*8.36+0.1*8.36=84.436

8.36x10.1 =8.36x(10+0.1) =8.36x10+8.36x0.1 =83.6+0.836 =84.436

计算 36.7x2.1+10.8 =36.7x(2+0.1)+10.8 =36.7x2+36.7x0.1+10.8 =73.4+3.67+10.8 =87.87

把2.1和10.8交换位置

(36+0.7)X(2+0.1)+10.8

X=1.3 。。。。。。。

36点2-12点1-10点八的差怎样简便计算 36点2-12点1-10点八的差 =36.2+10.8-12.1 =47-12.1 =34.9

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