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18.17 - 3.6.7 =18.17 - 18.7
= 18 . ( 17 - 7 )
= 18 . 10
=180
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a) \(18.17-3.6.7\)
\(=18.17-18.7\)
\(=18\left(17-7\right)\)
\(=18.10=180\)
c) \(33\left(17-5\right)-17.\left(33-5\right)\)
\(=33.17-33.5-17.33+5.17\)
\(=5\left(17-33\right)\)
\(=5.\left(-16\right)=-80\)
a, 18.17-3.6.7 b,54-6.(17+5) c,33.(17.5)-17.(33-5)
=18.17-18.7 =6.9-6.22 =33.17.5-17.(33-5)
=18.(17-17) =6.(9-22) =17.(33.5)-17.(33-5)
=18.10 =6.(-13) =17.165-17.28
=18.10 =6.(-13) =17.(165-28)
=180 =-78 =17.137
=2329
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a.18.17-3.6.7
=18.17-18.7
=18.(17-7)
=18.10=180
b.54-6.(17+9)
=54-6.26
=54-156=-102
c.33.(17-5)-17.(33-5)
=33.17-33.5-17.33+17.5
=33.5+17.5
=(33+17).5
=50.5=250
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18.17-3.6.7=18.17-18.7=0
3^3.(-17-5)-17.(33-5)=27.-22-17.28=27.-11.2-17.14.2=-297.2-2.238=2.(-297-238)=2.-535=-1070
19.25+9.25+19.3=753
ủng hộ đầu xuân năm mới tròn 770 nha
3 x 6 x 7
= 18 x 7
= 126
=126
hên xui nha