\(=\left(83+7\right)+\left(8+2\right)+\left(5+6\right)=90+10+11=111.\)
5+ 6+7 +8 + 83 + 2
= ( 2 + 8) + ( 7 + 83 ) 5 + 6
= 10 + 90+ 11
= 100+ 11
= 111
5 + 6 + 7 + 8 + 83 + 2
= ( 83 + 7 ) + ( 2 + 8 ) + 5 + 6
= 90 + 10 + 11
= 100 + 11
= 111
5 + 6 + 7 + 8 + 83 + 2
= ( 8+2) + ( 83+7 ) ( 5+6 )
= 10 + 90 + 11
= 100 + 11
= 111
k mk nha
5 + 6 + 7 + 8 + 83 + 2
= ( 83 + 7 ) + ( 2 + 8 ) + 5 + 6
= 90 + 10 + 11
= 100 + 11
= 111
5 + 6 + 7 + 8 + 83 + 2
= (5+6)+(7+83)+(8+2)
= 11 + 90 + 10
=11+100=111
tk mk nha