拖式计算

来源:百度知道 编辑:UC知道 时间:2024/06/25 22:39:02
2700×(506-499)÷900 33.02-(148.4-90.85)÷2.5
(1÷1-1)÷5.1 18.1+(3-0.299÷0.23)×1

4道问题吧

①2700×(506-499)÷900 ②33.02-(148.4-90.85)÷2.5
=2700×7÷900 =33.02-57.55÷2.5
=18900÷900 =33.02-23.02
=21 =10

③(1÷1-1)÷5.1 ④18.1+(3-0.299÷0.23)×1
=(1-1)÷5.1 =18.1+1.7X1
=0÷5.1 =18.1+1.7
=0 =19.8

您好!

2700×(506-499)÷900
=2700*7/900
=18900/900
=21

33.02-(148.4-90.85)÷2.5
=33.02-57.55/2.5
=33.02-23.02
=10

(1÷1-1)÷5.1
=0/5.1
=0

18.1+(3-0.299÷0.23)×1
=18.1+(3-1.3)*1
=18.1+1.7
=19.8

希望我的答案您能够满意!谢谢!