Question

2. Efectuează:

b) 1 385 + 4* [217 +508 : (101 - 99)]- 12× 12;
C) (999 + 121) * 4 + 2 x [(789 - 19) * (36:18)] : (440:22) + 0 x 999.




DAU COROANA. ​

Answer 1

Salutare!

1 385+4×[217+508:(101-99)]-12×12=

1 385+4×(217+508:2)-12×12=

1 385+4×(217+254)-12×12=

1 385+4×471-144=

1 385+1 884-144=

3 269-144=

3 125

(999+121)×4+2x[(789-19)×(36:18)]:(440:22)+0×999=

1 120×4+2×(770×2):20+0=

1 120×4+2×1 540:20+0

4 480+3 080:20+0=

4 480+154+0=

4 634+0=

4 634