Question

Va rog dar nu raspundeti direct !
Dau coroana puncte multe si multumesc si ma si abonez.Plsss va rog eu

Answer 1

1. 5+115=120
2.(11-9)la a 2 :4
2 la a 2 :4
4:4=1
3. 98-7x{6+5×[4-6+3]}
=98-7×{6+5x1}
=98-7×{6+5}
=98-7×11
=98-77
=21
4.a) 2x-126=792
2x=918
x=459