18*[(1.2+2.4)*0.5怎么算,

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18*[(1.2+2.4)*0.5怎么算,18*[(1.2+2.4)*0.5怎么算,18*[(1.2+2.4)*0.5怎么算,18×[(1.2+2.4)×0.5]=18×[3.6×0.5]=18×(1

18*[(1.2+2.4)*0.5怎么算,
18*[(1.2+2.4)*0.5怎么算,

18*[(1.2+2.4)*0.5怎么算,
18×[(1.2+2.4)×0.5]
=18×[3.6×0.5]
=18×(1.8)
=32.4