
1 简便运算 (5.3x3.75+3.75x3.5)除以2.2 = 9.6除以(4.8x7.2+
1简便运算(5.3x3.75+3.75x3.5)除以2.2=9.6除以(4.8x7.2+2.8x4.8)=要有过程...
1 简便运算
(5.3x3.75+3.75x3.5)除以2.2
=
9.6除以(4.8x7.2+2.8x4.8)
=
要有过程 展开
(5.3x3.75+3.75x3.5)除以2.2
=
9.6除以(4.8x7.2+2.8x4.8)
=
要有过程 展开
展开全部
=3.75×(5.3+3.5)÷2.2
=3.75×(8.8÷2.2)
=3.75×4
=15
9.6/4.8x(7.2+2.8)
=9.6/4.8x10
=9.6/48
=0.2
=3.75×(8.8÷2.2)
=3.75×4
=15
9.6/4.8x(7.2+2.8)
=9.6/4.8x10
=9.6/48
=0.2
追答
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展开全部
=3.75×(5.3+3.5)÷2.2
=3.75×(8.8÷2.2)
=3.75×4
=15
=3.75×(8.8÷2.2)
=3.75×4
=15
追答
9.6÷(4.8×7.2+4.8×2.8)
=9.6÷4.8÷(7.2+2.8)
=2÷10
=0.2
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展开全部
3.75x(5.3+3.5)/2.2
=3.75x8.8/2.2
3.75x4
=15
=3.75x8.8/2.2
3.75x4
=15
追答
9.6/4.8x(7.2+2.8)
=9.6/4.8x10
=9.6/48
=0.2
追问
这个不行吧,像3.75x8.8/2.2要按照运算的顺序算啊不能直接3.75x4吧??
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