7. Calculaţi: a) 437: (2-27¹)+(3+3 105): 106;

b) 33+3 10:38-3+3-37:35+2-310: (5-35+35) +9.3³;

c) [3²-33 +254 : 252 + (35)4 : 320] : 31;

d) [348 : 3¹8 + (24)5 + 623 : 613] : [(35) · (2²)5 +3¹7-3¹³ + (2³)*]; :

e) 10- {24²:576+3 [(322)¹5 (329. 215) +1²1]}: 13;

f) 2100: [250.248 +(210.215)5: 227+ (576: 575 -3)⁹0. 28 +298];

g) [37.310 +2203: 2108- 5 (52)5]: (3¹7 +295-5¹¹).
multumesc ​