Question

Calculează respectând cele învățate a(8+9)×(80-69)
b 100:10×(7+3
c (7-7)×9+5×5×5
d 89-35:(5+2)+43
e (45+25-34):(56:8-1)
f 7×4+(87-79)×(36:4
g 47+5×(32-25)-8×7

Answer 1

a) (8+9)×(80-69)=
17×11=187

b) 100:10×(7+3)=
100:10×10=
10×10=100

c) (7-7)×9+5×5×5=
0×9+5×5×5=
0+5×5×5=
0+25×5=
0+125=125

d) 89-35:(5+2)+43=
89-35:7+43=
89-5+43=
84+43=127

e) (45+25-34):(56:8-1)=
(70-34):(7-1)=
36:6=6

f) 7×4+(87-79)×(36:4)=
7×4+8×9=
28+72=100

g) 47+5×(32-25)-8×7=
47+5×7-8×7=
47+35-56=
82-56=26

Answer 2

Sper ca te-am ajutat !