6.48+3.52/0.4的简便方法？
3个回答
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6.48+3.52÷0.4
=6.48+3.52÷（橡卖2/5）
=6.48+3.52×5/携慎2
=6.48+3.52×2.5
=6.48+3.52×1+3.52×1.5
=（辩如敬6.48+3.52）+1.76×2×1.5
=10+1.76×3
=10+5.28
=15.28
=6.48+3.52÷（橡卖2/5）
=6.48+3.52×5/携慎2
=6.48+3.52×2.5
=6.48+3.52×1+3.52×1.5
=（辩如敬6.48+3.52）+1.76×2×1.5
=10+1.76×3
=10+5.28
=15.28
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展开全部
=6.48+3.52÷（2/5）
=6.48+3.52×5/做团2
=6.48+3.52×2.5
=6.48+3.52×1+3.52×1.5
=（森核6.48+3.52）此胡掘+1.76×2×1.5
=10+1.76×3
=10+5.28
=15.28
=6.48+3.52×5/做团2
=6.48+3.52×2.5
=6.48+3.52×1+3.52×1.5
=（森核6.48+3.52）此胡掘+1.76×2×1.5
=10+1.76×3
=10+5.28
=15.28
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展开全部
=6.48+3.52÷（2/5）
=6.48+3.52×5/做团2
=6.48+3.52×2.5
=6.48+3.52×1+3.52×1.5
=（森核6.48+3.52）此胡掘+1.76×2×1.5
=10+1.76×3
=10+5.28
=15.28
=6.48+3.52×5/做团2
=6.48+3.52×2.5
=6.48+3.52×1+3.52×1.5
=（森核6.48+3.52）此胡掘+1.76×2×1.5
=10+1.76×3
=10+5.28
=15.28
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