3.2乘[(1.12+1.52)除以0.25]

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3.2乘[(1.12+1.52)除以0.25]3.2乘[(1.12+1.52)除以0.25]3.2乘[(1.12+1.52)除以0.25]=3.2x[(1.12+1.52)x4]=3.2x2.64x4

3.2乘[(1.12+1.52)除以0.25]
3.2乘[(1.12+1.52)除以0.25]

3.2乘[(1.12+1.52)除以0.25]
=3.2x[(1.12+1.52)x4] =3.2x2.64x4 =33.792