3.14×43+7.2×31.4-150×0.314=

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3.14×43+7.2×31.4-150×0.314=
3.14×43+7.2×31.4-150×0.314=

3.14×43+7.2×31.4-150×0.314=
3.14×43+7.2×31.4-150×0.314
=3.14×43+72×3.14-15×3.14
=3.14×(43+72-15)
=3.14×(115-15)
=3.14×100=314

63.72

1355.132321

314
3.14×43+7.2×31.4-150×0.314=3.14×43+72×3.14-15×3.14=

=(43+72-15)*3.14
=100*3.14
=314

3.14×43+7.2×31.4-150×0.314
=3.14*43+72*3.14-15*3.14
=3.14*(43+72-15)
=3.14*100
=314