ét o ét

\(175+x\times12=12175\)
\(x\times12=12175-175\)
\(x\times12=12000\)
\(x=12000:12\)
\(x=1000\)

\(175+x\times12=12175\\ x\times12=12175-175\\ x\times12=12000\\ x=12000:12\\ x=1000\)

X=100

X x 12=12175 - 175

X x 12= 12000

X=12000:12

X=1000

\(x\times7+x\times12=266\\ x\times\left(7+12\right)=266\\ x\times19=266\\ x=266:19\\ x=14\)

X x 7 + X x 12 = 266

X x ( 7 + 12 ) = 266 

X x 19 = 266

X = 266 : 19 

X = 14.

xx(7+12)=266

xx19=266

x=266:19

x=14

x x 12 = 20

x        = 20 : 12

x        = 1,666666667

x x 12 = 20

x         = 20: 12

x         = 1.6666666

\(x\)\(\times12=20\)

\(x=20\div12\)

\(x=1.666666667\)

175 . 1274 - 175 . 273 - 175

= 175 . 1274 - 175 . 273 - 175 . 1

= 175( 1274 - 273 - 1 )

= 175 . 1000 

= 175 000

175.1274-175.273-175

175.(1274-273-1)

175.1000

175000

175000

dap so la 1750

bang 1750 nha ban

duyet nha

1750 nha ban

duyet nha

a) 425 x 3475 + 425 x 6525
= 425 x (3475 + 6525)
= 425 x 10000
= 4250000
b) 175 x 1274 - 175 x 273 - 175
= 175 x 1274 - 175 x 273 - 175 x 1
= 175 x (1274 - 273 - 1)
= 175 x 1000
= 175000

100

\(100\)

100