Question

operaciones combinadas con procedimiento por favor

(-3/9)*(-3/15)

3+[3/5+3/2(5/3-7/2)-2+1/3

Answer 1

(-3/9)*(-3/15)
(-3)(-3)/(9)(15)
9/9(15)
1/15

3+[3/5+3/2(5/3-7/2)-2+1/3]
3+[3/5+3/2(5*2-7*3)/3*2-2+1/3]
3+[3/5+3/2(-11/6)-2+1/3]
3+[3/5+(-33)/12-2+1/3]
3+[(3*12+(-33)*5)/5*12-2+1/3]
3+[(36-165)/60-2+1/3]
3+[-129/60-(2*3+1)/3]
3+[-43/20-7/3]
3+[(-43*3-7*20)20*3]
3+[(-129-140)60]
3+[-269/60]
(3*60-269)/60
(180-269)/60
-89/60