Question

calculeaza in doua moduri: AJUTORRRRRRR!!! DAU 15 PUNCTE!!!!
A=4ori(11+5)
B=-3 ORI (5+9)
C=-4 ORI (-6+9)
D= 10 ORI (-8-31)

Answer 1

 

Modul 1:   A = 4 × (11 + 5) = 4 × 16 = 64

Modul 2:  A = 4 × (11 + 5) = 4 × 11 + 4 × 5 = 44 + 20 = 64  

Modul 1:   B = -3 × (5 + 9) = -3 × 14 = -42

Modul 2:   B = -3 × (5 + 9) = -3 × 5 - 3 × 9 = -15 - 27 = -42

Modul 1:   C = -4 × (-6 + 9) = -4 × 3 = -12

Modul 2:   C=B = -4 × (-6 + 9) = -4 × (-6) -4 × 9 = 24 - 36 = -12

Modul 1:   D = 10 × (-8 - 31) = 10 × (-39) = -390

Modul 2:   D = 10 × (-8 - 31) = 10 × (-8) + 10 × (-31) = -80 - 310 = -390