123 +123= 246

234+123 = 234 + 123

123+123=246

234+123=234+123

123 + 123= 246

234 + 123 = 234 + 123

=1445664

1445664 nha

234 + 234 - 123

= 468 - 123

= 345

234+234-123=345

tk nhé

\(234+\left(234-123\right)\)

\(=234+111\)

\(=345\)

\(tíchmknha\)

123 + 123 = 246

234 + 234 = 468

345 + 345 = 690

123 + 123 = 246

234 + 234 = 468

345 + 345 = 690

k nha

- Học Tốt -

123 + 123 = 246

234 + 234 = 468

345 + 345 = 690 

TK MÌNH NHA

THANK YOU

=715 k mik nha

bbbbbbbbbbb

\(234+235+236-123-123\)

\(=459\)

k nhé chúc học tốt

a: \(A=\dfrac{63-48-70}{84}:\dfrac{-3\cdot84+4\cdot60+5\cdot70}{840}\cdot\dfrac{1-14}{12}\)

\(=\dfrac{-55}{84}\cdot\dfrac{840}{338}\cdot\dfrac{-13}{12}=\dfrac{55}{1}\cdot\dfrac{10}{338}\cdot\dfrac{13}{12}=\dfrac{275}{156}\)

b: \(=-234\cdot123+123\cdot4356-123\cdot2312+234\cdot123-234\cdot2312+2312\cdot234+2312\cdot123\)

\(=123\cdot4356-123\cdot2312+123\cdot2312=123\cdot4356=535788\)

321 + 456 - 234 = 543

543 - 123 + 456 = 876

234 + 234 - 321 = 147

a) a)321+456-234= 543

b)543-123+456=876

c)321+234-321=234

a)543

b)876

c)147

Trả lời

123 + 234 = 357

123 x 34 = 4182

123 : 3 = 41

1235 - 876 = 359

~ Hok Tốt ~

= 357

= 4182

= 41

= 359 

Họk tốt nha ! 

mk nhé 

123 + 234= 357

123 X 4 =492

123 : 3 =41

1235 - 876 =359

    TK MÌNH NHA BẠN !!!!!!

123+234=357

= 357

HT

= 357  nha

123+123=246

234+234=468

345+345=690

456+456=912

TL :
246
468
690
912
Chúc bn học tốt !

123+123=246

234+234=468

345+345=690

456+456=912