Закончите запись 2/3 дробь =2×4/3×4=дробь? 5/7=5×2/7×2= ? 3/4=3×10/4×10=? 2/5=2×8/5×8= 1/6=1×7/6×7= 3/2=3×100/2×100

2/3=2*4/3*4=8/12
5/7=5*2/7*2=10/14
3/4=3*10/4*10=30/40
2/5=2*8/5*8=16/40
1/6=1*7/6*7=7/35
3/2=3*100/2*100=300/200