Question

30 + 70 + 50 + 90 + 50 + 10 + 400 + 700=?

Answer 1

30+70+50+90+50+10+400+700

=1300

tk nhé

Answer 2

= 1400

Answer 3

30 + 70 + 50 + 90 + 50 + 10 + 400 + 700

= (70 + 30) + (50 + 50) + (90 + 10) + 400 + 700

=     100 + 100 + 100 + 400 + 700

=        1400

Answer 4

= 1400 k cho minhnha

Answer 5

30+70+50+50+90+10+400+700

100+100+100+1100

300+1100

1400

Answer 6

30+70+50+90+50+10+400+700

=(30+70)+(50+50)+(10+90)+400+700

=100+100+100+400+700

=100.3+400+700

=300+400+700

=700+700

=700.2

=1400

Answer 7

30 + 70 + 50 + 90 + 50 + 10 + 400 + 700

= 100 + (50 + 50) + (90 + 10) + 400 + 700

= 100 + 100 + 100 + 400 + 700

=   1400

Answer 8

30+70+50+90+50+10+400+700

=1400

tk nhé

Answer 9

30 + 70 + 50 + 90 + 50 + 10 + 400 + 700

= (30 + 70) + (50 + 50) + (90 + 10) + 400 + 700

= 1400

AI K MK, MK K LẠI

MK THỀ, MK KO NÓI XẠO

Answer 10

 30+70+90+50+10+400+700
=[30+70]+[90+10]+[50+50]+400+700
=100+100+100+400+700
=100*3+400+700
=300+400+700
=[700+300]+400
=1000+400
=1400
[SAO LÀ NHÂN VÀ K MÌNH NHA MÌNH K BẠN ZÙI]