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0.87 3.16的简便方法

0.87*3.16+4.64=3.16+4.64-0.13*3.16=7.8-0.4108=7.3892 打字不易,如满意,望采纳.

(3.16+4.64)x0'87

0.87*3.16+4.64的简便运算怎么做?0.87*3.16+4.64=2.7492+4.64=7.3892 直接计算

7.3892

0.87*3.16+6.84=(1-0.13)*3.16+6.84=3.16-0.13*3.16+6.84=10-0.4108=0.5892

0.87*(3.16+4.64)=0.87*7.8=6.786

简便方法计算如下:0.87*3.16+4.64=3.16+4.64-0.13*3.16=7.8-0.4108=7.3892

用简便方法怎么算4.64*0.87 十0.87X3.16=(4.64+3.16)*0.87=7.8*0.87=6.786

0.87x3.16+4.46简便方法计算=2.7472+4.46=7.2092 没有合适的简便方法

0.87乘3.16加4.64*1.2=2.7492+5.568=8.3172不能简算.

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