102 . 155 - 102 . 73 + 51 . 36
=102.155-102.73+51.2.18
=102.155-102.73+102.18
=
=
Bn đặt tsc ra là lm đc
\(102.155-102.73+51.36=51.2.155-51.2.73+51.2.18=51.2\left(155-73+18\right)=102.\left(82+18\right)=102.100=10200\)
=102.155-102.73+51.2.18
=102.155-102.73+102.18
=102.(155-73+18)
=102.100
=10200
Chuc bn hoc tot va co thanh h cao trong hoc tap nhe!
Dung thi nho k cho minh de ung ho minh nha!!!
\(102.155-102.73+51.36\)
\(=102.155-102.73+51.2.18\)
\(=102.155-102.73+102.18\)
\(=102.\left(155-73+18\right)\)
\(=102.100\)
\(=10200\)
