Question

Tính nhanh

 1 + 2 + 3 + 97+ 98 + 99

Answer 1

= (1+99) + ( 2+ 98) + (3+97)

= 100 + 100 + 100

= 100x3

= 300

k mk nhóe

Answer 2

1+2+3+97+98+99

=(1+99)+(2+98)+(3+97)

=100+100+100

=300

Answer 3

1+2+3+97+98+99

=(1+99)+(2+98)+(3+97)

=100+100+100

=300

=.= hk tốt!!

Answer 4

Bài làm

   1 + 2 + 3 + 97 + 98 + 99

= ( 1 + 99 ) + ( 2 + 98 ) + ( 3 + 97 )

=      100     +     100     +     100

=  300

# Chúc bạn học tốt #

Answer 5

=(1+99)+(2+98)+(3+97)

=100+100+100

=300

Answer 6

\(1+2+3+97+98+99\)

\(=\left(1+99\right)+\left(2+98\right)+\left(3+97\right)\)

\(=100+100+100\)

\(=300\)

* Hok tốt !

# Huệ_Linh

Answer 7

= ( 1+ 99 ) + ( 2+98 ) + ( 3+97 )

=    100     +    100      +   100

= 100 x 3 

= 300

Answer 8

1 + 2 + 3 + 97 + 98 +99

= [1 + 99 ] + [ 2 + 98 ] + [3 + 97]

= 100 + 100 + 100

= 300

Answer 9

1 + 2 + 3 + 97 + 98 + 99

= (1+99)+(2+98)+(3+97)

=   100   +  100  +   100

=          100 x 3

=            300

Answer 10

1 + 2 + 3 + 97 + 98 + 99

= ( 1 + 99 ) + ( 2 + 98) + ( 3 + 97 )

= 100 + 100 + 100 = 100^3

= 300

Answer 11

1 + 2 + 3 + 97 + 98 + 99

= ( 1 + 99 ) + ( 2 + 98 ) + ( 3 + 97 )

= 100 + 100 + 100 ( 100 x 3 )

= 300

Answer 12

Trả lời :...............................................

300....................................

Hk tốt,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

k nhé do phuong thao

Answer 13

1 + 2 + 3 + 97 + 98 + 99

= ( 1 + 99 ) + ( 2 + 98 ) + ( 3 + 97 )

= 100  + 100 + 100 = 300

Answer 14

=(1+99)+(2+98)+(3+97)=100+100+100=300

Answer 15

1+2+3+97+98+99

={1+99}+{2+98}+{3+97}

Answer 16

\(1+2+3+97+98+99\)

\(=\left(1+99\right)+\left(2+98\right)+\left(3+97\right)\)

\(=100+100+100=300\)

Answer 17

trả lời:

1+2+3+97+98+99

(1+99)+(2+98)+(3+97)

100+100+100

300

nhớ k

học tốt