题目内容
| 24×5+80 | (60+70)×3 | 420÷7×9 |
| 305÷(213-208) | 804÷(2×2) |
(1)24×5+80
=120+80
=200;
(2)(60+70)×3
=130×3
=390;
(3)420÷7×9
=60×9
=540;
(4)305÷(213-208)
=305÷5
=61;
(5)804÷(2×2)
=804÷4
=201.
=120+80
=200;
(2)(60+70)×3
=130×3
=390;
(3)420÷7×9
=60×9
=540;
(4)305÷(213-208)
=305÷5
=61;
(5)804÷(2×2)
=804÷4
=201.
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