题目内容
【题目】能简算要简算.
50×( + )= | 5﹣ ﹣ = | ÷7+ × = |
×[( ﹣ )×36]= | 5﹣ × ﹣ = | +0.25+ +75%= |
【答案】36;4;;5;3;2
【解析】解:(1)50×( + )
=50× +50×
=30+6
=36
(2)5﹣ ﹣
=5﹣( + )
=5﹣1
=4
(3) ÷7+ ×
= × + ×
=( + )×
=1×
=
(4) ×[( ﹣ )×36]
= ×[ × ×36]
= ×[30﹣20]
= ×10
=5
(5)5﹣ × ﹣
=5﹣ ﹣
=5﹣( + )
=5﹣2
=3
(6) +0.25+ +75%
=( + )+(0.25+75%)
=1+1
=2
练习册系列答案
相关题目