题目内容
脱式计算
| 100-6×7 | 48÷(63-57) | 152-19+47. |
(1)100-6×7,
=100-42,
=58;
(2)48÷(63-57),
=48÷6,
=8;
(3)152-19+47,
=133+47,
=180.
=100-42,
=58;
(2)48÷(63-57),
=48÷6,
=8;
(3)152-19+47,
=133+47,
=180.
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