4: 1.76 0.53
5: 160×1.5=240(块)
6: 40÷7.6≈5(个)(用舍去法)
7: 7÷(8×3.5)
= 7÷28
= 0.25(千克)
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4: 1.76 0.53
5: 160×1.5=240(块)
6: 40÷7.6≈5(个)(用舍去法)
7: 7÷(8×3.5)
= 7÷28
= 0.25(千克)
http://m.ksjqmj.com/wunianjidaan/2320.html
推荐访问