Mathematics: Does 65-(45-20)equal (65-45)-20? how do you know?

Does 65-(45-20)equal (65-45)-20? how do you know? - id654520654520694541, 12311724

Ответ:

emmanuelmashao5504

27.05.2020

No, it does not. 65-(45-20) is equal to 40, because you subtract 45-20 before because of the parentheses. When you do that, you get 25 then subtract 65-25, then get 40. Then, if you subtract 65-45 first and get 25, then subtract 25-20, you'll get 5.

0,0(0 оценок)

Ответ:

yadi64

02.07.2020

Mathematics

-9ab3a3b-52

Step-by-step explanation:

-8a3b+3a2b2-52+5a2b3a3b+7-9a2b2

-8a3b-6a-52+5a2b3a3b

-14a3b-52+5a2b3a3b

-9ab3a3b-52

0,0(0 оценок)

Does 65-(45-20)equal (65-45)-20? how do you know?

Ответ:

Ответ:

Ask your question to the AI advisor

More tips

Answers on questions: Mathematics

Ask an AI advisor a question