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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~~~

(5000一3000/25) (5000一120) =4980

如图

加法运算定律的简便运算题(一) 1) 500+(407+0)= 2) 386+382+114= 3) 42+(91+158+109)= 4) (87+103+113)+97= 5) (246+387+154)+13= 6) 49+(71+151+129)= 7) 255+(79+45)= 8) (169+39+131)+261= 9) 219+175+181+225= 10) 14+498+486= 11) (404+195...

840÷(25十13)x40 =840÷38×40 =840×40÷38 =33600÷38 =8840.…

(168x40-3800)÷65 =(6720-3800)÷65 =2920÷65 =13分之584

(540+240)÷12×40 =780÷12×40 =65×40 =2600 你好,本题已解答,如果满意 请点右下角“采纳答案”。

解:原式=40(160-100)/6=40*60/6=400

(3l5x40一364)÷7 =(12600一364)÷7 =12236÷7 =1748

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