8.6×1.2×2.5简便计算
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8.6×1.2×2.5简便计算8.6×1.2×2.5简便计算8.6×1.2×2.5简便计算8.6×1.2×2.5=8.6×3×(0.4×2.5)=25.8×1=25.88.6*3*0.4*2.5=8.
8.6×1.2×2.5简便计算
8.6×1.2×2.5简便计算
8.6×1.2×2.5简便计算
8.6×1.2×2.5
=8.6×3×(0.4×2.5)
=25.8×1
=25.8
8.6*3*0.4*2.5
=8.6*3
=25.8