48×1.08+1.2×56.8简便计算?
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先将48进行分解,再用乘法结合律和分配率
48×1.08+1.2×56.8
=1.2×40×1.08+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
=1.2×40×1.08+1.2×56.8
=1.2×43.2+1.2×56.8
=1.2×(43.2+56.8)
=1.2×100
=120
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48×1.08+1.2×56.8
=12x4×1.08+1.2×56.8
=1.2x43.2+1.2×56.8
=1.2x(43.2+56.8)
=1.2x100
=120
=12x4×1.08+1.2×56.8
=1.2x43.2+1.2×56.8
=1.2x(43.2+56.8)
=1.2x100
=120
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解:48×1.08+1.2×56.8
=1.2×40×1.08+1.2×56.8
=1.2×(43.2+56.8)
=1.2×100
=120
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=12×4×1.08+1.2×56.8
=1.2×43.2+1.2×56.8
=1.2×(43.2+56.8)
=1.2×100
=120
=1.2×43.2+1.2×56.8
=1.2×(43.2+56.8)
=1.2×100
=120
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