简便算4.39+5.61×0.1怎么算
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4.39+5.61×0.1的简便方法是这样算的。
4.39+5.61×0.1
=43.9×0.1+5.61×0.1
=(43.9+5.61)×0.1
=4.951
4.39+5.61×0.1
=43.9×0.1+5.61×0.1
=(43.9+5.61)×0.1
=4.951
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4.39+5.61×0.1
=4.39+(5+0.61)×0.1
=4.39+0.5+0.061
=(4.39+0.061)+0.5
=4.451+0.5
=4.951
=4.39+(5+0.61)×0.1
=4.39+0.5+0.061
=(4.39+0.061)+0.5
=4.451+0.5
=4.951
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简便算4.39+5.61×0.1等于4.951 用5.61✖️0.1等于0.561,再加4.39等于4.591
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根据先乘除后加减运算规则得
4.39+(5.61×0.1)
=4.39+0.561
=4.951
4.39+(5.61×0.1)
=4.39+0.561
=4.951
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