Question

1+4+6+78=

1+32+32+344=

3+4+423=

 

Answer 1

+)1+4+6+78

=(1+78)+(4+6)

=79+10

=89

+)1+32+32+344

=(32x2)+(1+344)

=64+345

=409

+)3+4+423

=7+423

=430

Answer 2

1+4+6+78=89

1+32+32+344=409

3+4+423=430

Answer 3

1 + 4 + 6 +78 

= 5 + 6 + 78

= 11 + 78

= 89

1 + 32 + 32 + 344

= 33 + 32 + 344

= 65 + 344

= 409

3 + 4 + 423

= 7 + 423

= 430

Answer 4

1+4+6+78=89

1+32+32+344=409

3+4+423=430

Answer 5

1+4+6+78= 89

1+32+32+344= 409

3+4+423= 430

Answer 6

1 + 4 + 6 + 78 = 89

1 + 32 + 32 + 344 = 409

3 + 4 + 423 = 430

Answer 7

1 + 4 + 6 + 78 = 89

1 + 32 + 32 + 344 = 409

3 + 4 + 423 = 430

Answer 8

1 + 4 + 6 + 78

= ( 4 + 6 ) + ( 1 + 78 )

= 10 + 79

= 89

1 + 32 + 32 + 344

= 33 + 32 + 344

= 65 + 344

= 409

3 + 4 + 423

= 7 + 423

= 430

Answer 9

=89

=409

=430

Answer 10

1+4+6+78=89

1+32+32+344=409

3+4+423=430

Answer 11

1+4+6+78= 89

1+32+32+344= 409

3+4+423= 430

Answer 12

Đáp án lần lượt là:
89;409;430

Answer 13

1 + 4 + 6 + 78

= (1 + 78) + (4 + 6)

= 79 + 10

= 89

1 + 32 + 32 + 344

= (1 + 344) + 32 x 2

= 345 + 64

= 409

3 + 4 + 423

= 7 + 423

= 430

Answer 14

trả lời

1+4+6+78=89

1+32+32+344=408

3+4+423=430

^^

Answer 15

1 + 4 + 6 + 78 = 89

1 + 32 + 32 + 344 = 408

3 + 4 + 423 = 430

Answer 16

   Trả lời :

1 + 4 + 6 + 78 = 89

1 + 32 + 32 + 344 = 408

3 + 4 + 423 = 430

Chúc bạn học giỏi!

Answer 17

1+4+6+78=89

1+32+32+344=409

3+4+423=430

Answer 18

1 + 4 + 6 + 78 = 89

1 + 32 + 32 + 344 = 408

3 + 4 + 423 = 430

Cần lắm 1 bờ vai ~~~~

Answer 19

89

408

430