4: (53+5)÷4
= 58÷4
= 14(条)…… 2(人)
15+1=15(条) (用进一法)
5: (98-20)÷3
= 78÷3
= 26(页)
6: (90-18)÷6
= 72÷6
= 12(元)
7:方案(1): 16根跳绳 2个球 3副跳棋
方案(2): 10根跳绳 4个球 4副跳棋
8:(1) 152÷4=38
(2)220÷4=55 或 260÷4=65
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4: (53+5)÷4
= 58÷4
= 14(条)…… 2(人)
15+1=15(条) (用进一法)
5: (98-20)÷3
= 78÷3
= 26(页)
6: (90-18)÷6
= 72÷6
= 12(元)
7:方案(1): 16根跳绳 2个球 3副跳棋
方案(2): 10根跳绳 4个球 4副跳棋
8:(1) 152÷4=38
(2)220÷4=55 或 260÷4=65
http://m.ksjqmj.com/sannianjidaan/3706.html
推荐访问