72*125*7 用简便算式计算
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![72*125*7 用简便算式计算](/uploads/image/z/399813-69-3.jpg?t=72%2A125%2A7+%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E5%BC%8F%E8%AE%A1%E7%AE%97)
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72*125*7 用简便算式计算
72*125*7 用简便算式计算
72*125*7 用简便算式计算
72*125*7=8*9*125*7=(8*125)*(7*9)=1000*63=63000
=9*8*125*7
=(9*7)*(8*125)
=63*1000
=63000