a) 749+945:35+15×16=
749+27+240=776+240=1016
b)49×246-125=
12 054-125=11 929
c) 749+945:35=
749+240=989
d)10 584:189+17×81=
56+1 377=1 433
e)23 205:357-16 785:287=
65-58,48=6,52
f)25^5-8^3=
(5^2)^5-(2^3)3=
5^10-2^9
g)37^2:37+37^0=
37+1=38
h)4^5+524:4+127=
4^5+131+127=
1024+131+127=1155+127=1182