Răspuns:
A) 5×(2×5+1)-4×5+1=
5×(10+1)-20+1=
5×11-20+1=
55-20+1=
35+1=
36
B) 5+(5×19+3×4)=
5+(95+12)=
5+107=
112
C)(7×2+4)-15-11-14=
(14+4)-15-11-14=
18-15-11-14=
3-15-11-14=
-38
D)(7153-14×3-5)+3×4+(2+2×37:2)+(5+10×5):11=
(7153-42-5)+12+(2+74:2)+(5+50):11=
(7111-5)+12+(2+34)+55:11=
7106+12+36+11=
7118+36+11=
7154+11=
7165
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