问题
解答题
小明、小华和小军买同一种蛋糕,小明买8块用了72元,小华买12块,小军用去90元,小华用去多少?小军买了多少块?(先列表整理,再解答) |
答案
列表如下:
姓名 | 数量(块) | 总价(元) |
小明 | 8 | 72 |
小华 | 12 | 108 |
小军 | 10 | 90 |
=9×12,
=108(元).
答:小华用去108元.
(2)90÷(72÷8),
=90÷9,
=10(块).
答:小军买了10块.
小明、小华和小军买同一种蛋糕,小明买8块用了72元,小华买12块,小军用去90元,小华用去多少?小军买了多少块?(先列表整理,再解答) |
列表如下:
姓名 | 数量(块) | 总价(元) |
小明 | 8 | 72 |
小华 | 12 | 108 |
小军 | 10 | 90 |
=9×12,
=108(元).
答:小华用去108元.
(2)90÷(72÷8),
=90÷9,
=10(块).
答:小军买了10块.
完形填空. | |||
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