1 + 1 + 2 + 2 + 3 + 3 + 56
= ( 1x 2) + ( 2 x 2) + ( 3 x 3) + 56
= 2 + 4 + 9 + 56
= 6 + 9 + 56
= 15 + 56
= 71
1 + 1 + 2 + 2 + 3 + 3 + 56
= ( 1 x 2 ) + ( 2 x 2) + ( 3x2 ) + 56
= 2 + 4 + 6 + 56
= 6 + 6 + 56
= 6 x 2 +56
= 12 + 56
= 68
1 + 1 + 2 + 2 + 3 + 3 + 56
= 1 x 2 + 2 x 2 + 3 x 2 + 56
= 2 + 4 + 6 + 56
= 6 + 6 + 56
= 71
Ủng hộ nhé !
1+1+2+2+3+3+56
=(1+1)+(2+2+3+3)+56
=(2+10)+56
=12+56
=68
1+1+2+2+3+3+56
=(1*2)+(2*2)+(3*2)+56
=2+4+6+56
=6+6+56
=12+56
=68