48*1.08加上1.2*56.8必须要简算过程
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![48*1.08加上1.2*56.8必须要简算过程](/uploads/image/z/54013-13-3.jpg?t=48%2A1.08%E5%8A%A0%E4%B8%8A1.2%2A56.8%E5%BF%85%E9%A1%BB%E8%A6%81%E7%AE%80%E7%AE%97%E8%BF%87%E7%A8%8B)
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48*1.08加上1.2*56.8必须要简算过程
48*1.08加上1.2*56.8
必须要简算过程
48*1.08加上1.2*56.8必须要简算过程
48×1.08+1.2×56.8
=1.2×43.2+1.2×56.8
=1.2×(43.2+56.8)
=1.2×100
=120
48*1.08+1.2*56.8
=12*4*1.08+12*5.68
=12*(4*1.08+5.68)
=12*(4.32+5.68)
=12*10
=120