Datrys -(a+b)+[-3a+b-{-2a+b-(a-b)}+2a]

Enrhifo

Ehangu

Cwis

Algebra

5 problemau tebyg i:

Problemau tebyg o chwiliad gwe

https://www.tiger-algebra.com/drill/5a(b_4)-3(ab-2)-2ab-4a_6/

https://math.stackexchange.com/questions/526662/what-are-the-every-possible-sums-of-these-numbers

https://math.stackexchange.com/questions/50026/intuition-behind-problem-in-classical-algebra

https://math.stackexchange.com/questions/994041/whats-wrong-with-this-proof-that-commutativity-is-implied-by-the-other-field-ax

Rhannu

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-a-b+-3a+b-\left(-2a+b-\left(a-b\right)\right)+2a

I ddod o hyd i wrthwyneb a+b, dewch o hyd i wrthwyneb pob term.

-a-b+-3a+b-\left(-2a+b-a-\left(-b\right)\right)+2a

I ddod o hyd i wrthwyneb a-b, dewch o hyd i wrthwyneb pob term.

-a-b+-3a+b-\left(-2a+b-a+b\right)+2a

Gwrthwyneb -b yw b.

-a-b+-3a+b-\left(-3a+b+b\right)+2a

Cyfuno -2a a -a i gael -3a.

-a-b-3a+b-\left(-3a+2b\right)+2a

Cyfuno b a b i gael 2b.

-a-b-3a+b-\left(-3a\right)-2b+2a

I ddod o hyd i wrthwyneb -3a+2b, dewch o hyd i wrthwyneb pob term.

-a-b-3a+b+3a-2b+2a

Gwrthwyneb -3a yw 3a.

-a-b+b-2b+2a

Cyfuno -3a a 3a i gael 0.

-a-b-b+2a

Cyfuno b a -2b i gael -b.

-a-2b+2a

Cyfuno -b a -b i gael -2b.

a-2b

Cyfuno -a a 2a i gael a.