Question

( -17)+ 14+ (-12)

5 mũ 10 : 5 mũ 8 +60 : 12+(-10)

d) 2 mũ 3 .15 – [ 115 + ( 12 - 25)]

Answer 1

d.\(2^3.15-[115+\left(12-25\right)]\)
120-102=18

Answer 2

d: =120-115+13=18

Answer 3

(-17)+14+(-12)

=[(-17)+14]+(-12)

=(-3)+(-12)

=-15

a, 5^10 : 5^8 + 60 : 12 + (-10)
= 5^2 + 60 : 12 - 10
= 25 + 5 -10
= 30 - 10
= 20.

2 mũ 3 .15 – [ 115 + ( 12 - 25)]

=\(2^3\).15-(115+13)

=\(2^3\).15-128

=8.15-128

=120-128

=(-8 )hoặc(+8)