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a)37-62=(-32)*62
37-62+2232
37-2294
2257
b)12-(-3)-(-4)*12
12*(-3)+4*12
-36+48
12
c)48*(-36)-36*(-42)
-1728-(-1512)
1728+1512
-216
d)24*(-3)-4*(-3)
-72-(-12)
-72+12
60
e)(-16)/4+(-24)/4
(-16)/4-24/4
-4-6
-10
f)(-36)/(-7)+15/(-7)
-5,14-2,14
-3
g)14/(-3)-(-8)/3
14/(-3)+8/3
-406+2,6
-2
h)(-19)/(-2)+(-21)/2
(-19)/(-2)-21/2
-9,5-10,5
1,45