Question

 Tính nhanh:

33 + 2 + 17 + 28 + 10

Answer 1

90

ai tik cho mình với

Answer 2

33 + 2 + 17 + 28 + 10

=( 33 + 17 ) + ( 28 + 2 ) + 10

= 50 + 30 + 10

= 80 + 10 = 90.

Tick cho mình nhé ! >_<

Answer 3

 

= 33 + 17 +2 + 28 + 10

= 50 + 30 + 10

= 80 + 10

=90

Answer 4

(33+17)+(28+2)+10=90

tich cho mjk vs nge

Answer 5

33 + 2 + 17 + 28 + 10

= ( 33 + 17 ) + ( 28 + 2 ) + ( 10 + 7 )

= 50 + 30 + 17

= 80 + 17

= 97

Answer 6

Nhầm:)

33 + 2 + 17 + 28 + 10

= ( 33 + 17 ) + ( 28 + 2 ) + 10

= 50 + 30 + 10

= 80 + 10

= 90

Answer 7

(33+17)+(28+2)+10=

   50     + 30     +10=90

Answer 8

 Tính nhanh:33 + 2 + 17 + 28 + 10 = 90

Answer 9

=" (10+2)+28 " + (17+33)

=40+50

=90

 

Answer 10

=33+17+2+28+10

=50+30+10

=90

Answer 11

{33+17}+{2+28}+10=50+30+10=90

Answer 12

33+2+17+28+10=(33+17)+(2+28)+10=50+30+10=90

 

Answer 13

33 + 2 + 17 + 28 + 10

=(33+17)+(2+28)+10

= 50+30+10

=90