2.05×0.82+36.5的简便运算？
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2.05×0.82+36.5
=2.05×2×0.41+36.5
=4.1×0.41+36.5
=4×0.41+0.1×0.41+36.5
=1.64+0.041+36.5
=1.681+36.5
=38.181
=2.05×2×0.41+36.5
=4.1×0.41+36.5
=4×0.41+0.1×0.41+36.5
=1.64+0.041+36.5
=1.681+36.5
=38.181
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2.05×0.82+36.5
=2.05×2×0.41+36.5
=4.1×0.41+36.5
=4×0.41+0.1×0.41+36.5
=1.64+0.041+36.5
=1.681+36.5
=38.181
=2.05×2×0.41+36.5
=4.1×0.41+36.5
=4×0.41+0.1×0.41+36.5
=1.64+0.041+36.5
=1.681+36.5
=38.181
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亲～这道题由我来回答，答案是，38.181
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