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计算下面各题,能简算的要简算.3.2×5-12146.5-(23+46.5)5.83×2+4.270.5×4×2.33.
题目详情
计算下面各题,能简算的要简算.
3.2×5-12 | 146.5-(23+46.5) | 5.83×2+4.27 | 0.5×4×2.33. |
▼优质解答
答案和解析
(1)3.2×5-12,
=16-12,
=4;
(2)146.5-(23+46.5),
=146.5-23-46.5,
=146.5-46.5-23,
=100-23,
=77;
(3)5.83×2+4.27,
=11.66+4.27,
=15.93;
(4)0.5×4×2.33,
=2×2.33,
=4.66.
=16-12,
=4;
(2)146.5-(23+46.5),
=146.5-23-46.5,
=146.5-46.5-23,
=100-23,
=77;
(3)5.83×2+4.27,
=11.66+4.27,
=15.93;
(4)0.5×4×2.33,
=2×2.33,
=4.66.
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