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3.6×6.6+20.1×22等于多少简便计算?
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3.6×6.6+20.1×22
=0.36×66+20.1×22
=0.36×3×22+20.1×22
=22×(0.36×3+20.1)
=22×21.18
=465.96
=0.36×66+20.1×22
=0.36×3×22+20.1×22
=22×(0.36×3+20.1)
=22×21.18
=465.96
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