Răspuns:
a)25+(13+32)=
=25+45=70
b) (37-9):7+54=
=28:7+54=
=4+54=
=58
c) 54:[6-(13-9)]=
=54:(6-4)=
=54:2=27
d) (3x17)+100:10=
=51+10=61
e) 5x(1200-81:9)=
=5x(1200-9)=
=5x1991=9955
f)32+[2x(101-1)]:10=
=32+(2x100):10=
=32+200:10=
=32+20=52
g) 4+4x[20+6x(25-21)]
=4+4x(20+6x4)
=4+4x(20+24)=
=4+4x44=
=4+176=180
h) 126-[(126:6+109)x(3+3:3)]:10=
=126-[(21+109)x(3+1)]:10=
=126-(130x4):10=
=126-520:10=
=126-52=74
Sper ca te am ajutat!
