
计算下面各题.52-18×2+31125-15÷543×4-64÷8
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(1)52-18×2+31
=52-36+31
=16+31
=47
(2)125-15÷5
=125-3
=122
(3)43×4-64÷8
=172-8
=164
=52-36+31
=16+31
=47
(2)125-15÷5
=125-3
=122
(3)43×4-64÷8
=172-8
=164
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