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2.6×2222+6666×0.8简便方法?
3个回答
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2.6×2222+6666×0.8
简便算法如下:
=2.6×2222+2222×3×0.8
=2222×(2.6+2.4)
=2222×5
=11110
望采纳,谢谢!
简便算法如下:
=2.6×2222+2222×3×0.8
=2222×(2.6+2.4)
=2222×5
=11110
望采纳,谢谢!
展开全部
2.6×2222+6666×0.8
=2.6×2×1111+6×1111×0.8
=5.2×1111+1111×4.8
=1111×(5.2+4.8)
=1111×10
=11110
=2.6×2×1111+6×1111×0.8
=5.2×1111+1111×4.8
=1111×(5.2+4.8)
=1111×10
=11110
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展开全部
2.6×2222+6666×0.8
=2.6×2222+2222x3×0.8
=2.6×2222+2222×2.4
=2222x(2.6+2.4)
=2222x5
=11110
=2.6×2222+2222x3×0.8
=2.6×2222+2222×2.4
=2222x(2.6+2.4)
=2222x5
=11110
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