Question by longia

03/09/2017 at 08:33

Phan Huy Toàn 03/09/2017 at 08:48

10+20+30+40+50+60

=70 x3

=210
I like Math English 03/09/2017 at 08:38

10+20+30+40+50+60

=(1+2+3+4+5+6) x10

=21x10

=210

=
Math You Like 03/09/2017 at 08:37

10 + 20 + 30 + 40 + 50 + 60

=(1 + 2 + 3 + 4 + 5 + 6) x 10

=21 x 10

=210
Kaya Renger Coordinator 03/09/2017 at 08:35

10 + 20 + 30 + 40 + 50 + 60 = (1 + 2 + 3 + 4 + 5 + 6) * 10

= 21 * 10

= 210
Dao Trong Luan 03/09/2017 at 08:38

1^st way:

10 + 20 + 30 + 40 + 50 + 60

= [10 + 60] + [20 + 50] + [30 + 40]

= 70 + 70 + 70

= 70.3

= 210

2^nd way:

10 + 20 + 30 + 40 + 50 + 60

= \(\left[10\cdot\left(1+2+3+4+5+6\right)\right]\)

\(=10\cdot21\)

= 210