
2.7X3.4+34X0.73(简便方法还要有过程)怎么算?
下面这几题算得对不?24.5-6.4÷16乘以4.5=(6.4÷16)乘以(24.5-4.5)=0.4乘以20=8(0.96-0.625)乘以28÷0.01=0.335乘...
下面这几题算得对不?
24.5-6.4÷16乘以4.5
=(6.4÷16)乘以(24.5-4.5)
=0.4乘以20
=8
(0.96-0.625)乘以28÷0.01
=0.335乘以0.28
=0.0938
453-81÷0.3乘以0.6
=453-270乘以0.6
=453-162
=291
3580÷4+45乘以1.2
=895+58
=953
8.3乘以9.9
=8.3乘以(10-0.1)
=8.3乘以10-8.3乘以0.1
=8.3-1.04
=81.96
不对的话麻烦写下
9点30后不算 展开
24.5-6.4÷16乘以4.5
=(6.4÷16)乘以(24.5-4.5)
=0.4乘以20
=8
(0.96-0.625)乘以28÷0.01
=0.335乘以0.28
=0.0938
453-81÷0.3乘以0.6
=453-270乘以0.6
=453-162
=291
3580÷4+45乘以1.2
=895+58
=953
8.3乘以9.9
=8.3乘以(10-0.1)
=8.3乘以10-8.3乘以0.1
=8.3-1.04
=81.96
不对的话麻烦写下
9点30后不算 展开
1个回答
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2.7*3.4+34*0.73
=2.7*3.4+3.4*7.3
=3.4(2.7+7.3)
=34
=2.7*3.4+3.4*7.3
=3.4(2.7+7.3)
=34
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