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358x3 149x4用脱式计算

( 280-40x3)x4 =(280-120)×4 =160×4 =640

你好,很高兴为你解答 306x3x4=脱式计算 =918x4 =3672 满意采纳哦!

0.2x0.5=0.1 0.27-0.2=0.07 0.8x0.7=0.56 3.4x2=6.8 4.5x3=13.5 1.5x0.4=0.6 0.05x1.6=0.08 9.2-4.8=4.4 7.2=2.8=10 0.93x100=93 0.06x0.9=0.054 2.5x4=10 0.1x6.1=0.61 0.75+0.3=1.05 1.2-0.8=0.4 0.125x8=1 9.34x4=37.36 5.6x5=28 3.74-2.82=0...

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

75x4x25x4 =(75x4)x(25x4) =300x100 =30000

168÷4+20×4 =42+80 =112

2.5x45x0.4 =2.5x0.4x45 =1x45 =45

250x17x4 =250x4x17 =1000x17 =17000

递等式

2÷0.5×4 =4×4 =16

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