计算:3.6*(这是乘号)25.4+37.9*6.4

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计算:3.6*(这是乘号)25.4+37.9*6.4
计算:3.6*(这是乘号)25.4+37.9*6.4

计算:3.6*(这是乘号)25.4+37.9*6.4
3.6*25.4+37.9*6.4=334
3.6×25.4+37.9×6.4
=3.6×25.4+(25.4+12.5)×6.4
=3.6×25.4+25.4×6.4+12.5×6.4
=3.6×25.4+25.4×6.4+12.5×8×0.8
=25.4×(3.6+6.4)+100×0.8
=254+80
=334