Question by Hương Yêu Dấu

26/11/2017 at 09:34

I like Math English 26/11/2017 at 09:37

20+30+40+50+60+70=

=(20+70)+(30+60)+(40+50)

=90+90+90

=170

20+70)+(30+60)+(40+50)
Hương Yêu Dấu selected this answer.
FA Liên Quân Garena 27/12/2017 at 21:14

20+30+40+50+60+70

=(20+30+50)+(40+60)+70

=100+100+70

=100.2+70

=200+70

=270
Trần Quỳnh Anh 27/12/2017 at 20:43

20+30+40+50+60+70

=(20+30+50)+(40+60)+70

=100+100+70

=100.2+70

=200+70

=270

So the answer is 270
Vũ Mạnh Hùng 26/11/2017 at 20:08

270 ok
Nguyễn Hiền 29/11/2017 at 08:45

20 + (30 + 70) + (40 + 60) + 50 = 20 + 100 +100 + 50

= 20 + 200 + 50

= 20 + 250

= 270