Answer:
48
Step-by-step explanation:
63-15=48
90
3/1=3
30x3=90
56.
= -(8-12)+60+(-4)*2
= -(-4)+60+(-4)*2
= 4+60+(-4)*2
= 4+60+-4*2
= 4+60-4*2
= 4+60-8
= 64-8
= 56
20,000 + 70 + 3 = 20,073