Question

[Đinh Phí Khánh Huyền123]

a)-23+176-(2176-23)

b) 125.(-24)+24.225

c) \(\frac{5}{11}\)+\(\frac{26}{22}\)+\(\frac{-12}{4}\)+\(\frac{7}{-11}\)

d)\(\frac{3^2.25+9.75}{500}\)

e) -2015.73+2015.173+  (\(\frac{-2015}{2016}\))⁰

^{f)-187(813+2016)-813(2016-187)}

Answer 1

[Sakuraba Laura]

a) -23 + 176 - (2176 - 23)

= -23 + 176 - 2176 + 23

= (-23 + 23) + (176 - 2176)

= 0 + (-2000)

= -2000

b) 125 . (-24) + 24 . 225

= (-125) . 24 + 24 . 225

= 24 . (-125 + 225)

= 24 . 100

= 2400