Question

cum se rezolva acest exercitiu

Answer 1

8)
a) 8²+3x18=8x8+3x18=64+54=118
b) 11²-3x2=121-6=115
c) 2(48-32)x(22+44):2=2x16x66:2=32x33=1056
d) (58+27):(46-29)=85:17=5
e) (1+2+3+...+19):10=19x20:2x10=190x10=1900
f) (2+4+6+8+...+50)-3x17=
2(1+2+3+4+...+25)-51=
2(25x26:2)-51=2x325-51=650-51=599