5: 4.7×7=32.9(平方厘米)
11.6×5÷2=29(平方厘米)
6:《少年画报》:(24.2+16.4)÷7
= 40.6÷7
= 5.8(元)
跳绳:(24.2+16.4)÷14
= 40.6÷14
= 2.9(元)
7: 108÷(30×3)
= 108÷90
= 1.2(元)
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5: 4.7×7=32.9(平方厘米)
11.6×5÷2=29(平方厘米)
6:《少年画报》:(24.2+16.4)÷7
= 40.6÷7
= 5.8(元)
跳绳:(24.2+16.4)÷14
= 40.6÷14
= 2.9(元)
7: 108÷(30×3)
= 108÷90
= 1.2(元)
http://m.ksjqmj.com/wunianjidaan/2343.html
推荐访问