脱式计算(能简便的就简便) 89.3×43+38×89.3+893×1.9 10.01×101-10.01
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![脱式计算(能简便的就简便) 89.3×43+38×89.3+893×1.9 10.01×101-10.01](/uploads/image/z/364675-67-5.jpg?t=%E8%84%B1%E5%BC%8F%E8%AE%A1%E7%AE%97%EF%BC%88%E8%83%BD%E7%AE%80%E4%BE%BF%E7%9A%84%E5%B0%B1%E7%AE%80%E4%BE%BF%EF%BC%89+89.3%C3%9743%2B38%C3%9789.3%2B893%C3%971.9+10.01%C3%97101%EF%BC%8D10.01)
脱式计算(能简便的就简便) 89.3×43+38×89.3+893×1.9 10.01×101-10.01
脱式计算(能简便的就简便) 89.3×43+38×89.3+893×1.9 10.01×101-10.01
脱式计算(能简便的就简便) 89.3×43+38×89.3+893×1.9 10.01×101-10.01
89.3×43+38×89.3+893×1.9
=89.3×43+38×89.3+89.3×19
=89.3×(43+38+19)
=89.3×100
=8930
10.01×101-10.01
=10.01×(101-1)
=10.01×100
=1001
89.3×43+38×89.3+893×1.9
=89.3×43+38×89.3+89.3×19
=89.3×(43+38+19)
=89.3×100
=8930
10.01×101-10.01
=10.01×(101-1)
=10.01×100
=1001
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89.3×43+38×89.3+893×1.9 10.01×101-10.01
= 89.3×43+38×89.3+89.3×19 = 10.01×101-10.01×1
=89.3×(43+38+19) =10.01×(101-1)
=89.3×(42+38+1+1...
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89.3×43+38×89.3+893×1.9 10.01×101-10.01
= 89.3×43+38×89.3+89.3×19 = 10.01×101-10.01×1
=89.3×(43+38+19) =10.01×(101-1)
=89.3×(42+38+1+19) =10.01×100
=89.3×(80+20) = 1001
=89.3×100
=8930
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