85-35=
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
85 . ( 35 - 47) - 35 . ( 85 - 27)
= 85 . ( -12) - 35 . 58
= -1020 - 2030
= -3050
![](https://rs.olm.vn/images/avt/0.png?1311)
b, theo đề ra ta có:
= 85.8 - 35.58
= 680 - 2030
= - 1350
![](https://rs.olm.vn/images/avt/0.png?1311)
85.(35-27)-35.(85-27)
=85.35-85.27-35.85-35.27
=85.35(1-1)-27(85-35)=
=0-27.50
=-1350
b)
16.(38-12)-38(16-12)
=16.38-16.12-38.16-38.12
=16.38(1-1)-12(16-38)
=16.38.0-12.-22
=0+264
=264
chúc bn hok tốt
![](https://rs.olm.vn/images/avt/0.png?1311)
\(77-11\left(30+7\right)=77-11.30+11.7\)
\(=77-77-330=0-330\)
\(=-330\)
trả lời:
\(77-11.\left(30+7\right)\)
\(=77-11.30+11.7\)
\(=77-77-330\)
\(=0-330\)
\(=-330\)
học tốt
![](https://rs.olm.vn/images/avt/0.png?1311)
85.(35-27)-35(85-27)=85.35-85.27-35.85+35.27
=(85.35-35.85)+(85.27-35.27)=0+27.(85-35)=27.40=1080
85.(35-27)-35(85-27)
=85.35-85.27-35.85+35.27
=(85.35-35.85)+(85.27-35.27)
=0+27.(85-35)=27.40=1080
tick nhé
![](https://rs.olm.vn/images/avt/0.png?1311)
85(35-27)-35(85-27)=85.35-85.27-35.85+35.27
=(85.35-35.85)+(35.27-85.27)
=0+27.(35-85)
=27.(-40)
=-1080
85(35-27)-35(85-27)
= 85.35-85.27-35.85-35.27
=(85.35-35.85)+(35.27-85.27)
=0+27.(35-85)
=27.(-40)
= 1080
![](https://rs.olm.vn/images/avt/0.png?1311)
85+(-35)+(-12)+(-35)=50+(-12)+(-35)=38+(-35)=3
53.42+85.53-57:54=125.16+85.125-53=125.16+85.125-125
=125.16+85.125-125.1=(16+85-1).125=100.125=12500
50
\(85-35=50\)