题目内容：

大概要20道题,要7道或8道挺难的题,但必须在小学四年级的范围内

优质解答

1,32×29-18×32-32 2,153×54+71×46+82×463,79000÷125÷8 4,1726×99995,12345+23451+34512+45123+512346,（1）2,3,5,8,（ ）,（ ）,34.（2）58,57,55,52,48,（ ...