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2.5×64×1.25咋简算!!!今天回答!!3.24×0.16+0.0324×84简算,7.5×3.1÷2.5×100咋简算,都要今天
3个回答
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2.5×64×1.25=2.5x8x(8x1.25)=20x10=200
3.24×0.16+0.0324×84=3.24×0.16+3.24×0.84=3.24×(0.84+0.16)=3.24
7.5×3.1÷2.5×100=2.5x3×3.1÷2.5×100=2.5÷2.5x3×3.1×100=930
3.24×0.16+0.0324×84=3.24×0.16+3.24×0.84=3.24×(0.84+0.16)=3.24
7.5×3.1÷2.5×100=2.5x3×3.1÷2.5×100=2.5÷2.5x3×3.1×100=930
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