Question

пж решите 7/20*9+12*7/36+1 8/15:4+3/5:4 1/2

Answer 1

7/20*9=63/20
12*7/36=7/3
1 8/15:4=23/15*1/4=23/60
3/5:4 1/2=3/5*2/9=2/15
63/20+7/3+23/60+2/15=189/60+
140/60+23/60+8/60=360/60=6