m-236x3=292
m-708=292
m=292+708=1000
m=1000
900+2-ax100=302
900-(ax100)=302-2
900-300=ax100
600=ax100
a=600/100
a=6
ax(57-13x4)=340
ax(57-52)=340
ax5=340
a=340 : 5
a=68
(mx2-40):23=12
mx2-40=12x23
mx2-40=276
mx2=276+40
mx2=316
m=316:2
m=158
Urmarind aceste rezolvari, poti si tu sa continui cu restul... ok?
Multa bafta.