64 x 12 + 37 x 12 - 12
= 64 x 12 + 37 x 0
= 0
64 x 12 + 37 x 12 - 12
= 12 x ( 64 + 36 ) - 12
= 12 x 100 - 12
= 1200 -12
= 1188
\(64\times 12+37\times12-12\)
\(=64\times12+37\times12-12\times1\)
\(=12\times(64+37-1)\)
\(=12\times100\)
\(=1200\)
~ Hok tốt a~
64 x 12 + 37 x 12 - 12
=12 x ( 64 + 37 -1 )
=12 x 100
= 1200
64 x 12 + 37 x 12 -12
= ( 64 x 12 ) + ( 37 x 12 ) - 12
= 768 + 444 - 12
= 1200
Hok tốt nha !
\(64\cdot12+37\cdot12-12\)
\(=12\cdot\left(64+37-1\right)\)
\(=12\cdot100\)
\(=1200\)
64 x 12 + 37 x 12 - 12
=( 64 + 37 - 1 ) x 12
=100 x 12
= 1200
chúc b học tốt nha >.<
\(64\times12+37\times12-12.\)
\(=64\times12+37\times12-12\times1.\)
\(=12\times\left(64+37-1\right)\)
\(=12\times100\)
\(=1200\)
64 x 12 + 37 x 12 - 12
= 12 x (64 + 37 - 1)
= 12 x 100
= 1200