Question

1.32x9.9+0.132用简便方法计算

Answer 1

原式
=1.32×9.9+1.32×0.1
=1.32×（9.9+0.1）
=1.32×10
=13.2

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Answer 2

1.32×9.9+0.132
=0.132×99+0.132
=0.132×(99+1)
=0.132×100
=13.2

Answer 3

1.32×9.9＋1.32×0.1=1.32×（9.9＋0.1）=13.2