2.22×6.66 3.33×5.55怎么样简便计算
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2.22×6.66 + 3.33×5.55
= 4.44×3.33 + 3.33×5.55
= 3.33×(4.44+5.55)
= 3.33×9.99
= 3.33×（10-0.01）陆丛物早液郑猜
= 3.33×10-3.33×0.01
= 33.3 - 0.0333
= 33.2667
= 4.44×3.33 + 3.33×5.55
= 3.33×(4.44+5.55)
= 3.33×9.99
= 3.33×（10-0.01）陆丛物早液郑猜
= 3.33×10-3.33×0.01
= 33.3 - 0.0333
= 33.2667
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2.22×6.66+3.33×5.55
=1.11×（李毕2×6）+1.11×（3×5）
=1.11×（滑雹2×6+3×5）哪让芹
=1.11×27
=1×27+0.1×27+0.01×27
=27+2.7+0.27
=29.97
=1.11×（李毕2×6）+1.11×（3×5）
=1.11×（滑雹2×6+3×5）哪让芹
=1.11×27
=1×27+0.1×27+0.01×27
=27+2.7+0.27
=29.97
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解：耐枝2.22×6.66 /昌橘敏(3.33×5.55)
=2.22×2/伍桐5.55
=4.44/5.55
=4/5
=0.8
=2.22×2/伍桐5.55
=4.44/5.55
=4/5
=0.8
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