2.22×9.9+6.66×6.7简算
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2.22×9.9+6.66×6.7
=2.22×9.9+2.22×20.1
=2.22×(9.9+20.1)
=2.22×30
=66.6
=2.22×9.9+2.22×20.1
=2.22×(9.9+20.1)
=2.22×30
=66.6
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2016-04-16 · 知道合伙人教育行家
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展开全部
2.22×9.9+6.66×6.7简算
=2.22*9.9+2.22*20.1
=2.22*(9.9+20.1)
=2.22*30
=66.6
=2.22*9.9+2.22*20.1
=2.22*(9.9+20.1)
=2.22*30
=66.6
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2.22×9.9+6.66×6.7简算
=6.66x3.3+6.66x6.7
=6.66x(3.3+6.7)
=6.66x10
=66.6
=6.66x3.3+6.66x6.7
=6.66x(3.3+6.7)
=6.66x10
=66.6
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