nomber 1 dan 3 yah. pliesss sama cara nya yah):

1) (-2) ^2 = 4
4-(3x(-5)) = 4-(-15) = 19
2) 920000x15/100 = 138000
920000-138000 =Rp 782000

1. -2^2 - (-5×3)
4-(-15)
4+15
19

3. Rp 920.000-(Rp 920.000×15%)
Rp 920.000-Rp 138.000
Rp 782.000