tolong dong yg saya lingkari

4). 120 : 4 + 54 × 5 -248= 30 + 270 -248= 52

5). 1564- 2808 :36 × (-15) + 876 = 1564 -(78)×(-15) +876= 1564 -(-1170)+876
=1564+1170+876=3.610

6). 60 : (12-8) × (-12)= 60 : (4) × (-12)
=15×(-12)= -180

7). 2.176 : (-32) -12×(-25)+1.845= (-68) - (-300)+1.845
=(-68) + 300+1.845= 232+1.845=2077