a)
[tex]41+27+19+13=60+40=\boxed{100}\\\\55-26-16=29-16=\boxed{13}\\\\75:3:5=25:5=\boxed5[/tex]
b)
[tex]3\cdot5+28=15+28=\boxed{43}\\\\95-15\cdot6=95-90=\boxed5\\\\250:50+7\cdot6=5+42=\boxed{47}[/tex]
c)
[tex]45:5\cdot8=9\cdot8=\boxed{72}\\\\4^2+2^3=4\cdot4+2\cdot2\cdot2=16+8=\boxed{24}\\\\5^3-3^2=5\cdot5\cdot5-3\cdot3=125-9=\boxed{116}[/tex]
d)
[tex]1500:100\cdot3=15\cdot3=\boxed{45}\\\\50\cdot30-4800:60=1500-80=\boxed{1420}[/tex]
