Repede vă rogggggggg

Răspuns:
7/8×-1/2×=36
7/8×-4/8×=36
3/8×=36
×=36×8/3
×=288÷3
×=96
2/3×+1/2×=70
4/6×+3/6×=70
7/6×=70
×=70×6/7
×=60
1/5×+(×-1/5×)×1/3+64=×
1/5×+1/3×+1/15×+64=×
3/15×+5/15×+1/15×+64=×
9/15×+64=×
3/5×+64=×
×-3/5×=64
2/5×=64
×=64×5/2
×=160