Question

-(4×11/15-17/12):8,4+0,9×11/12

Answer 1

-(4×11/15-17/12):8,4+0,9×11/12= 1)4/1*11/15=44/15; 2)44/15-17/12=176/60-85/60=91/60; 3)-91/60*5/42=-13/72; 4)9/10*11/12=33/40; 5)-13/72+33/40=-65/360+297/360=232/360=28/45

Answer 2

- (4 * 11/15 - 17/12) ÷ 8.4 + 0.9 * 11/12 = - (44/15 - 17/12) ÷ 8.4 + 0.9 * 11/12 = - (91/60) ÷ 8.4 + 0.9 * 11/12 = - 13/72 + 0.9 * 11/12 = - 13/72 + 33/40 = 29/45