21.5*96.04+2.53/0.5)简便计算,急
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21.5*96.04+2.53/0.5)简便计算,急
21.5*(6.04+2.53/0.5)
=21.5*(6.04+5.06)
=21.5*11.1
=215+21.5+2.15
=238.65
=21.5*(6.04+5.06)
=21.5*11.1
=215+21.5+2.15
=238.65