Question

1+3x3x1/2=?

(1+2+3+4+5+6+7+8+9-1-2-3-4-5-6-7-8-9)x244=?

Answer 1

1 +3x3x\(\frac{1}{2}\)=1+9x0.5

                    =1+4.5

                     = 5.5

Answer 2

1+3x3x1/2

=1+9x1/2

=1+9x0,5

=1+4,5

=5,5

(1+2+3+4+5+6+7+8+9-1-2-3-4-5-6-7-8-9)x244

=0x244

=0

Answer 3

1+3x3x1x1/2

=1+4,5

=4,5

(1+2+3+4+5+6+7+8+9-1-2-3-4-5-6-7-8-9)x244

=0x244

=0