Question

Află necunoscutele:1) 194×3+200-o=493 2) 40÷8+124×5+m=719 3)(104×4+83×5) -s×3=8×100+36÷9 4) (321×2-115×4)+42:v=180+2×4 5)(138×5-21:7-300×2)-9×9-n×2=2 6) 692+248-[800-(123×2+88×3)]-b×8=300×2+2...va rog frumos.

Answer 1

1)   5 82+ 200-o=493      7 82-O=493  O=782-493=    289
2) 5+  6 20+ M =719    625+M=719   M=719-625=      94