Question

265×135×?=135×?×108
$\geqslant 265x135x$

Answer 1

265*135*108=135*265*108

Answer 2

Here you can use the basic law of multiplicative inverse.
Ask your self what should be multiplied to the left hand side that would make it equal to the right side. Similarly, for the left side.
Therefore;
$265 \times 135 \times 108 = 135 \times 265 \times 108$