Question

a,127-18(5+6)

b,26+7(4-12)

 

Answer 1

a, 127 - 18 ( 5+6 ) =127 - 18 x11 = -71

b, 26 + 7(4-12) = 26 + 7 x (-8) =-30

TK nha!

 

Answer 2

a) 127 - 18.(5+6)

= 127 - 18.11

= 127 - 198

= -71

b) 26 + 7.(4-12)

= 26 + 7.(-8)

= 26 + (-56)

= -30

Answer 3

a,127-18(5+6)

= 127-18.11

= 127-198

= -71

b,26+7(4-12)

= 26+7.(-8)

= 26+(-56)

= - 30