Question

c=[(20+4):6-4]*35+2*(5*15-2*3*5)=

Answer 1

c= (24:6-4) • 35+2 • (5•15-2•3•5)
c= (4-4)•35+2•(75-30)
c= 0•35+2•45
c= 0+90
c= 90

Answer 2

(24:6-4)*35+2*(5*15-2*3*5)
(4-4)*35+2*(5*15-2*3*5)
0*35+2*(5*15-2*3*5)
0+2*(5*15-2*3*5)
2*(75-6*5)
2*(75-30)
2*45=90