75:5:3ori8:2:10ori 9:3ori8:4plus 188 -99-1ori 9Urgent!!!Dau coroana

Răspuns :

75:5:3×8:2:10×9:3×8:4+188-99-1×9=92
15:3×8:2:10×9:3×8:4+89-9=92
5×4:10×3×2+80=92
20:10×6+80=92
2×6+80=92
12+80=92