Question

aflati valorile lui a din expresia:

Answer 1

324x27-40:5+(ax7-12)=8784
8748-8+(ax7-12)=8784
8740+(ax7-12)=8784
ax7-12=8784-8740
ax7-12=44
ax7=44+12
ax7=56
a=56:7
a=8


456-(190x28-263x19)-7xa=9x10+1
456-(5320-4997)-7xa=91
456-323-7xa=91
133-7xa=91
7xa=133-91
7xa=42
a=42:7
a=6

Mult succes la scoala!