计算3724-(724-163)+591-(391-337)用简便算法计算
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![计算3724-(724-163)+591-(391-337)用简便算法计算](/uploads/image/z/3951518-14-8.jpg?t=%E8%AE%A1%E7%AE%973724-%EF%BC%88724-163%EF%BC%89%2B591-%EF%BC%88391-337%EF%BC%89%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%E8%AE%A1%E7%AE%97)
计算3724-(724-163)+591-(391-337)用简便算法计算
计算3724-(724-163)+591-(391-337)用简便算法计算
计算3724-(724-163)+591-(391-337)用简便算法计算
3724-(724-163)+591-(391-337)
=3724-724+163+591-391+337
=(3724-724)+(591-391)+(163+337)
=3000+200+500
=3700
3724-(724-163)+591-(391-337)
=3724-724+(163+337)+(591-391)
=3000+500+200
=3700
原式=3724-724+163+591-391+337
=(3724-724)+(163+337)+(591-391)
=3000+500+200=3700