=3551 nha mn'
mong mn ửng hộ cho tũn một tích
35*49+51*36
=35*49+51*35+51
=35*(49+51)+51
=3500+51
3551
Hok tot
\(35\times49+51\times36=35\times49+51\times\left(35+1\right)\)
\(=35\times49+35\times51+51\times1\)
\(=35\times\left(49+51\right)+51=35\times100+51=3500+51=3551\)
35 x 49 + 51 x 36
= 35 x 49 + 51 x ( 35 + 1 )
= 35 x 49 + 51 x 35 + 51 x 1
= 35 x ( 49 + 51 ) + 51
= 35 x 100 + 51
= 3 500 + 51
= 3 551
