文档介绍：混合运算及应用题练****题
一、脱式计算
(1) 48-13-24              (2) 69-9×2             (3) 84-(15+40)
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(4) (21+43)÷8             (5) 72÷9×7             (6) (75-21)÷6
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(7)  9×6+34              (8) (48-12)÷9           (9) 79-8×7
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(11)90-9×9              (12)  35+7×3          (13)  77-7×18
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=                          =                     =
二、应用题
(1)商店有20个红气球,31个黄气球,卖了40个,还剩多少个?
(2)一本书75页,小红已经看了43页,剩下的4天看完,平均每天看多少页?
(3)李村生产队有76亩小麦,第一天收了32亩,第二天收了29亩,还剩多少亩?
(4)小伟买一双鞋用了23元,一双袜子用了4元,给售货员50,应找回多少元?
(5)食堂有30袋面粉,又买了3车,每车20袋面粉,现在共有多少袋面粉?
(6)某工厂去运煤,第一天运了2车,每车5吨,第二天运了13吨,两天共运回多少吨煤?
(7)一桶油重75千克,第一次倒出25千克,第二次倒出30千克,还剩多少千克?(用两种方法解答)