拖式计算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

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拖式计算2700×(506-499)÷90033.02-(148.4-90.85)÷2.5(1÷1-1)÷5.118.1+(3-0.299÷0.23)×1拖式计算2700×(506-499)÷9003

拖式计算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
拖式计算
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

拖式计算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!