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4.3×5×0.264-2.64×0.5简便运算
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4.3×5×0.264-2.64×0.5简便运算
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答案和解析
4.3×5×0.264-2.64×0.5
=4.3×2.64×0.5-2.64×0.5
=2.64×0.5x(4.3-1)
=1.32x3.3
=1.32x3+1.32x0.3
=3.96+0.396
=4.356
=4.3×2.64×0.5-2.64×0.5
=2.64×0.5x(4.3-1)
=1.32x3.3
=1.32x3+1.32x0.3
=3.96+0.396
=4.356
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