解决问题的策略(2)1: (4.5+3)÷(6÷20) =7.5÷0.3 =25(分钟)【请关注零五网:https://www.05wang.com/】 2:单位/元数量/个排球3010篮球?12足球50?⑴300÷12=25(元)⑵300÷50=6(个)⑶ 25x12+50x8=700(元)3: 15x12÷(15+3) =15x12÷18 =10(天)4: (950÷5)×(5+2) =190×7 =1330(平方米)5: ⑴(180-75)÷(75÷5) =105÷15 =7(天) ⑵ (180-75)÷(75÷5+6) =105÷21 =5 |