Question

1x1+1X2+3X1+5=

Answer 1

=1+2+3+5

=11 nhé !

Answer 2

1*1+ 1* 2 + 3* 1 + 5 = 1 + 2 + 3 + 5

= 11

Answer 3

1x1+1x2+3x1+5=1+2+3+5=11

Answer 4

1 x (1 + 2 + 3 + 5 ) = 1 x 11 = 11