题目内容
脱式计算
| 180÷9-18 | (48+52)÷5 | 100-25×4. |
(1)180÷9-18,
=20-18,
=2;
(2)(48+52)÷5,
=100÷5,
=20;
(3)100-25×4,
=100-100,
=0.
=20-18,
=2;
(2)(48+52)÷5,
=100÷5,
=20;
(3)100-25×4,
=100-100,
=0.
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