Question

Efectuați:
A)100-100:100×[100+100:10-(100-75:25)]
B)50+12×[214-240:(16-2×5)]-10×100
C)110 ×10 -[(599-99×4+30×5)+370:10]:10
D)(9×999-999:9):10-[444-6-(400-400:10)]
Vă rog!

Answer 1

a) 100-75÷25=100-3=97
100+100÷10-97=100+10-97=13
100-100÷100×13=100-1×13=87

b) 16-2×5=16-10=6
214-240÷6=214-40=174
50+12×174-10×100=50+2088-1000=1138

c)599-99×4+30×5=599-396+150=53
53+570÷10=53+57=110
110×10-110÷10=1100-11=1089

d)9×999-999÷9=8880
400-400÷10=400-40=360
444-6-360=78
8880÷10-78=888-78=810