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0.75X40.75X4用脱式计算怎么计算

0.75×4+0.75×4=6 ~回答完毕~ ~\(^o^)/~祝学习进步~~~

0.75×4+0.75×4=6 ~回答完毕~ ~\(^o^)/~祝学习进步~~~

8x5X125X40=(8X125)x(5X40)=1000x200=200000.

840÷(25+13)×40 =840÷38×40 =840×40÷38 =33600÷38 =16800/19 =884又4/19。

(3.4x2.5)x2x40 =(3.4x2)x(2.5x40) =6.8×100 =680

这道题这样算, 脱式2.5×40×8.3, 等于100×8.3=830。

7.75+2.25 2.5x40脱式计算 7.75+2.25 +2.5x40 =10+100 =110

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