tolong dijawab dong please

1. 18 x (-125) + 625 : 5 = - 2250 + 125 = - 2125

1. 25 kg x Rp 6.000 = Rp 150.000
10 kg x Rp 5.800 = Rp 58.000
__________ -
Rp. 92.000

2. ((150 x 5) - 15) : 49 = (750 - 15) : 49 = 735 : 49 = 15