11×2.2+0.22×330+5.6×22的简便计算公式?
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11x2.2 + 0.22x330 +5.6x22
=(1.1x10)x2.2 + 0.22x(100x3.30)+5.6x22
=1.1x(10x2.2) + (0.22x100)x3.30+5.6x22
=1.1x22+22x3.3+5.6x22
=22x(1.1+3.3+5.6)
=22x(4.4+5.6)
=22x10
=220
=(1.1x10)x2.2 + 0.22x(100x3.30)+5.6x22
=1.1x(10x2.2) + (0.22x100)x3.30+5.6x22
=1.1x22+22x3.3+5.6x22
=22x(1.1+3.3+5.6)
=22x(4.4+5.6)
=22x10
=220
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