Calculaţi a) (3 5) (10"- 10% -2-3-10²): 107 81 c) (2³¹:4²° +5:5 119. 100 99 +3+3 40 98 3 = 5 2 = 2. Comparaty numerele a) 4° 25 b) c) d) 5 15 64 25 ي صيرفع 64 16 10 2 25​