4 0 Calculează şi compară expresiile: a) 10+ (100-10): 103+(300-30): 30 b) 63 x 26+ 18:9+0x7☐ (36:9x8)+8:4+8960 c) 18:12 + (16-108:27):3] ☐ 1428-[(224x2)+(63x3)] d) (950:25)-130:2:5+150:5x2 (90-33): 19+ 19 x (70-61) e) (3 044 +2 056): 17+3 075: 15-6 992: 38 (760:19 +25) x 13-120:3 f) [125:5-5x (2444: 13-44 400: 240)]: 10 ☐ [(130:5+1132:2-7):(525:5-36 - 1216:19 g) (100 + 100: 100) x 100 - (100 + 100 x 100): 100 ☐ 1000:10:2-500x2:100 h) 898 +75:3:5+7 996 x 0 ☐ (42 + 32 x 5)+(100-16x2) i) (305 x 246 +3 440) - 4 800 : 200 (123 649 + 120 351): 2000+(8 888:88-10 j) (7350:35 +124 569:9-124 x 56-107) x 3 ☐ 25 x (160-3x50)-8