Jackie's+maths

=9x9=81= 9x9=81 81÷9=9 81÷9=9 1/9 of 81 is 9 1/9 of 81=9

=8x9=72= 9x8=72 72÷8=9 72÷9=8 1/9 of 72=8 1/8 of 72=9

=11x10=110= 10x11=110 110÷10=11 110÷11=10 1/11 of 110=10 1/10 of 110=11