66.6×22.2+33.3×33.4怎么简便运算? 10
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66.6×22.2+33.3×33.4
=33.3×2×22.2+33.3×33.4
=33.3×(22.2×2+33.4)
=33.3×77.8
=(30+3+0.3)×77.8
=30×77.8+3×77.8+0.3×77.8
=2334+233.4+23.34
=2567.4+23.34
=2590.74
=33.3×2×22.2+33.3×33.4
=33.3×(22.2×2+33.4)
=33.3×77.8
=(30+3+0.3)×77.8
=30×77.8+3×77.8+0.3×77.8
=2334+233.4+23.34
=2567.4+23.34
=2590.74
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66.6x22.2+33.3x33.4
=33.3x2x22.2+33.3×33.4
=33.3x44.4+33.3x33.4
=33.3x〈44.4+33.4)
=33.3x77.8
=2590.74
=33.3x2x22.2+33.3×33.4
=33.3x44.4+33.3x33.4
=33.3x〈44.4+33.4)
=33.3x77.8
=2590.74
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66.6*22.2+33.3*33.4=33.3*44.4+33.3*33.4=33.3*(44.4+33.4)=33.3*77.8=2590.74。以上就是简便运算。
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计算:
原式=33.3×(2×22.2+33.4)
=33.3×77.8
=2590.74
答题完毕。
原式=33.3×(2×22.2+33.4)
=33.3×77.8
=2590.74
答题完毕。
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66.6×22.2+33.3×33.4
=33.3×(2×22.2+33.4)
=33.3×(44.4+33.4)
=33.3×77.8
=2590.74
=33.3×(2×22.2+33.4)
=33.3×(44.4+33.4)
=33.3×77.8
=2590.74
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