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0.25x8.5x4的简便运算

0.25x8.5x4用怎样简便怎样算0.25x8.5x4 =0.25×4×8.5【这是关键的一步】 =1×8.5 =8.5

0.85X10.25x8.5X4的简便方法?回答:脱式计算0.85×10.25×8.5×4 解题思路:四则运算规则(按顺序计算,先算乘除后算加减,有括号先算括号,有乘方先算乘方)即

0.85x199十0.25x8.5x4简便方法原式 =0.85x199+(0.25x4)x8.5 =0.85x199+1x8.5 =0.85x199+8.5 =0.85x200-0.85+8.5 =170-0.85+8.5 =

0.25×8.5×4【简便方法计算】0.25×8.5×4=1/4×4×8.5=1×8.5=8.5记得采纳哦!

0.25×8.5×4有简便运算吗?详情请查看视频回答

25x44有什么简便方法-百度经验2 拆后面的数变成25X44=25X(40+4)=25X40+25X4=1000+100=1100 3 运算规则:先乘除后加减,有括号的先算括号里的。

6.25x8.5x4简便运算6.25x8.5x4 =0.25×25×8.5×4 =0.25×4×25×8.5 =25×8.5 =212.5

四年级上册数学简便计算题回答:25*4+125*8 参考资料:1道剩下的在书上找

小学五年级小数脱式简便计算题带答案有哪些?408-12×24 = 408 - 288 = 120 (46+28)×60 = 74 x 60 = 4440 42×50-17 = 2100- 17 = 2083 32+105

2.5x4-0.25x=8.5解:10-0.25x=8.5 x=6 望采纳,谢谢!

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