Question

Calculati:A)[40+50×(384-180×2)]×5+0×2008
B)530+11×13-5×42
C)[72-3×(5×6-7)]×[48+2×(48-3×15)]
D)145-2×[5024-7×(128×5+7×11)+13×5]Dau corana!

Answer 1

a .   6200              b.   463       c.162   d. 

Answer 2

a) [40+50×(384-360)]×5+0×2008 (40+50×24)×5+0×2008 1240×5+0×2008 6200+0 =6200 b) 530+143-210 673-210 =463 c) [72-3×(30-7)]×[48+2×(48-45)] (72-3×23)×(48+2×3) (72-69)×(48+6) 3×54 =162 d) 145-2×[5024-7×(640+77)+13×5] 145×2×(5024-7×717+13×5) 145-2×(5024-5019+65) 145-2×(5+65) 145-2×70 145-140 =5