题目内容
脱式计算.
| 25×4+360 | (38+82)÷4 | 33+27×3 | 850-250×3. |
(1)25×4+360,
=100+360,
=460;
(2)(38+82)÷4,
=120÷4,
=30;
(3)33+27×3,
=33+81,
=114;
(4)850-250×3,
=850-750,
=100.
=100+360,
=460;
(2)(38+82)÷4,
=120÷4,
=30;
(3)33+27×3,
=33+81,
=114;
(4)850-250×3,
=850-750,
=100.
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