脱式计算。(1)72÷(73-72÷72)(2)(120-28×3)÷4(3)820÷20+46×5(4)5×(65-3600÷72)(5)4200÷(17×6-32)(6)(56-27)×(72÷8

题目简介

脱式计算。(1)72÷(73-72÷72)(2)(120-28×3)÷4(3)820÷20+46×5(4)5×(65-3600÷72)(5)4200÷(17×6-32)(6)(56-27)×(72÷8

题目详情

脱式计算。
(1)72÷(73-72÷72)(2)(120-28×3)÷4(3)820÷20+46×5
(4)5×(65-3600÷72)(5)4200÷(17×6-32)(6)(56-27)×(72÷8)
题型:计算题难度:中档来源:同步题

答案

(1)72÷(73-72÷72)
  =72÷72
  =1
(2)(120-28×3)÷4
  =36÷4
  =9
(3)820÷20+46×5
  =41+230
  =271
(4)5×(65-3600÷72)
  =5×(65-50)
  =75
(5)4200÷(17×6-32)
  =4200÷70
  =60
(6)(56-27)×(72÷8)
  =29×9
  =261

更多内容推荐