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用简便方法计算:46乘28加92乘32加23乘16
人气:291 ℃ 时间:2020-05-13 22:19:55
解答
=23×2×28+23×4×32+23×16
=23×56+23×128+23×16
=23×(56+128+16)
=23×200
=4600
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