题目内容
计算下面各题.(带*的题要用简便方法计算)
| 150-100÷25 | 22×(23+27) | 48÷12×2 | 774÷(27+16) | *462-179-21 | *45×16. |
(1)150-100÷25,
=150-4,
=146;
(2)22×(23+27),
=22×50,
=1100;
(3)48÷12×2,
=4×2,
=8;
(4)774÷(27+16),
=774÷43,
=18;
(5)462-179-21,
=462-(179+21),
=462-200,
=262.
=150-4,
=146;
(2)22×(23+27),
=22×50,
=1100;
(3)48÷12×2,
=4×2,
=8;
(4)774÷(27+16),
=774÷43,
=18;
(5)462-179-21,
=462-(179+21),
=462-200,
=262.
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