2.83*1.6-0.6*3.83怎么简算?
2个回答
展开全部
2.83×1.6-0.6×3.83
=2.83×1.6-0.6×2.83-0.6
=2.83×(1.6-0.6)-0.6
=2.83-0.6
=2.23
=2.83×1.6-0.6×2.83-0.6
=2.83×(1.6-0.6)-0.6
=2.83-0.6
=2.23
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展开全部
=(2+0.83)1.6-0.6(3+0.83)
=2*1.6+0.83*1.6-0.6*3-0.6*0.83
=3.2+0.83*1.6-1.8-0.6*0.83
=3.2-1.8+0.83*1.6-0.6*0.83
=3.2-1.8+0.83(1.6-0.6)
=3.2-1.8+0.83*1
=3.2-1.8+0.83
=3.2-1.8+0.8+0.03
=3.2-1+0.03
=2.2+0.03
=2.23
=2*1.6+0.83*1.6-0.6*3-0.6*0.83
=3.2+0.83*1.6-1.8-0.6*0.83
=3.2-1.8+0.83*1.6-0.6*0.83
=3.2-1.8+0.83(1.6-0.6)
=3.2-1.8+0.83*1
=3.2-1.8+0.83
=3.2-1.8+0.8+0.03
=3.2-1+0.03
=2.2+0.03
=2.23
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