Răspuns:
a) 452+12×92-34500:30 =
452+1104-1150=
1556-1150=
406
b) (2500-375:15)-27×75+356×0=
(2500-25)-27×75+356×0=
2475-27×75+356×0=
2475-2025+0=
450+0=
0
c)170+170:170-170=
170+0-170=
170-170=
0
d)2450:(170-15×9):[(5×45-50):25]:5=
2450:(170-135):[( 225-50):25]:5=
2450:35:(175:25):5=
2450:35:7:5=
70:7:5=
10:5=
2
e)(555+222-111):111×6+555:15=
(777-111):111×6+555:15=
666:111×6+555:15=
6×6+555:15=
36+37=
73
f)154:{90+48:[(6-50:25+8):4]×4}=
154: scuze daca o sa pot o sa termin dar acum m-am timp
