Simple operation: (1 / 27-1 / 36) △ 1 / 9 7 △ 5 × (5 / 7 + 5 / 28)

Simple operation: (1 / 27-1 / 36) △ 1 / 9 7 △ 5 × (5 / 7 + 5 / 28)


(1/27-1/36)÷1/9
=(1/27-1/36)×9
=1/3-1/4
=1/12
7÷5×(5/7+5/28)
=7/5×(5/7+5/28)
=1+1/4
=5/4



Simple calculation of 4.36-3.27 + 5.64-4.73


(4.36+5.64)+(3.24+4.73)=10+8=18