
脱式计算.143-540÷9+52(79+11)×(84÷7)53×(44-26)÷9[175-(29+26)]×23
脱式计算.143-540÷9+52(79+11)×(84÷7)53×(44-26)÷9[175-(29+26)]×23....
脱式计算.143-540÷9+52(79+11)×(84÷7)53×(44-26)÷9[175-(29+26)]×23.
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(1)143-540÷9+52
=143-60+52
=83+52
=135;
(2)(79+11)×(84÷7)
=90×12
=1080;
(3)53×(44-26)÷9
=53×18÷9
=954÷9
=106;
(4)[175-(29+26)]×23
=[175-55]×23
=120×23
=2760.
=143-60+52
=83+52
=135;
(2)(79+11)×(84÷7)
=90×12
=1080;
(3)53×(44-26)÷9
=53×18÷9
=954÷9
=106;
(4)[175-(29+26)]×23
=[175-55]×23
=120×23
=2760.
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