Răspuns:
125:5+ (13 +64:2)=
25+(13+32)=25+45=70
5 x [3 600:30 - 81: (54:6)]=
5x(120-81:9)=
5x(120-9)=5x111=555
(37 - 18:2):7 + 108:2=
(37-9):7+54=
28:7+54=4+54=58
128:4+ [2 x (2 222:22-22:22)]: 10=
32+[2x(101-1)]:10
32+(2x100):10
32+200:10
32+20=52
6x9:[6 -(13- 18:2)]=
54:[6-(13-9)]=
54:(6-4)=
54:2=27
36:9 + 4 x [20 + 6 x (100:4-42:2)=
4+4x[20+6x(25-21)]=
4+4x(20+6x4)=
4+4x(20+24)=
4+4x44=
4+176=180
[(9-6)x (8 + 9)] +100:(4 + 6)=
(3x17)+100:10=
51+10=61
126 - [(63 x 2:6 + 109) x (75:25 + 21:3)]: 10=
126-[(126:6+109)x(3+7)]:10=
126-[(21+109)x10)]:10=
126-(130x10):10=
126-1300:10=
126-130= -4
daca ai scris bine exercițiu