Question

8(5+3d)+4(3-2d)при d=3;4

 

Answer 1

8(5+3d)+4(3-2d)при d=3;4

40+24d+12-8d

40+24*3+12-8*3=40+72+12-24=100

40+24*4+12-8*4=40+96+12-32=116

Answer 2

8(5+3*3)+4(3-2*3)= (8*14)+(4*(-3))=112+(-12)= 100
8(5+3*4)+4(3-8)=(8*17)-20= 136-20=116