75?15?5=0 48?48?6=40 36?6?6=40 72?9?2=10 64?17?2=98 56?9?6=2

Question

75?15?5=0 48?48?6=40 36?6?6=40 72?9?2=10 64?17?2=98 56?9?6=2

Answer 1

(75:15)-5=0
48-(48:6)=40
не знаю
(72:9)+2=10
64+(17×2)=98
56-(9×6)=2

Answer 2

75:15-5; 48-48:6; 36?6?6=40 нет решения 72:9+2; 64+17*2; 56-9*6;