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\(136\cdot48+16\cdot272+68\cdot20\cdot2\)
\(=136\cdot48+16\cdot2\cdot136+136\cdot20\)
\(=136\cdot48+136\cdot32+136\cdot20\)
\(=136\cdot\left(48+32+20\right)\)
\(=136\cdot100\)
\(=13600\)
136.48+16.2.136+68.2.20
=136.48+32.136+136.20
=136.( 48+32+20)
=136.100
=13600
\(136\cdot48+16\cdot272+68\cdot20\cdot2\)
\(=136\cdot48+16\cdot2\cdot136+136\cdot20\)
\(=136\cdot48+136\cdot32+136\cdot20\)
\(=136\cdot\left(48+32+20\right)\)
\(=136\cdot100\)
\(=13600\)
a) =24(25+37+38)
= 24 . 100
= 2400
b)136.
48+16.272+68.20.2136.48+16.272+68.20.2
=136.48+16.2.136+68.2.20=136.48+16.2.136+68.2.20
=136.48+32.136+136.20=136.48+32.136+136.20
=136.(48+32+20)=136.(48+32+20)
=136.100=136.100
=13600
(3.5)^2-(16x2)^2=3^2x5^2-16^2x2^2=9x25-256x4=225-1024=-799
(39.42-37.42):42=[42.(39-37)]:42=42x2:42=1x2=2
2448:[190-(23-6)]=2448:[190-17)=2448:173=2448/173 nha Dương Ngọc Phuong Linh
\(2.3^2-4^3:\left(-16.2\right)\)
\(=2.9-64:\left(-32\right)\)
\(=18-\left(-2\right)=18+2=20\)
136.48+16.2+2+68.20.2
=6528+32+2+2720
=9282
Tinh nhanh va dung minh se k