Question

calculează respectând ordinea efectuării operatiilor:a) 102+3×3-5×9= b)955-5×8-8×9-7×7= c )2×2+3×3+4×4+5×5+6×6+7×7-8×8-9×8=​

Answer 1

A)102+9-45
111-45
66
B) 955-40-72-49
794
C) 4+9+16+25+36+49-64-72
Egal 3

Answer 2

Răspuns:

Buna!

a)102+3*3-5*9=

102+9-45=

111-45=66

b)955-5*8-8*9-7*7=

955-40-72-49=

915-72-49=

843-49=794

c)2*2+3*3+4*4+5*5+6*6+7*7-8*8-9*8=

4+9+16+25+36+49-64-72=

13+16+25+36+49-64-72=

29+25+36+49-64-72

54+36+49-64-72=

90+49-64-72=

139-64-72=

75-72=3

Sper ca te am ajutat!<333