Question

phep tinh : 15+16+20+34 = ?

Answer 1

15+16+20+34=(16+34)+(15+20)=50+35=85

Answer 2

15+16+20+34=86

Answer 3

15+16+20+34=85 nha nguyen hao quang

Answer 4

15+16+20+34 =(16+34)+20+15

                    = (50+20 )+15= 70+15 = 85

Answer 5

 kết quả 86 là sai nha mik ghi lộn

Answer 6

15+16+20+34

=(16+34)+(15+20)

=50+35

=85

tick nhé

Answer 7

bang 85 dung hong

Answer 8

15+16+20+34=(16+34)+(15+20)=50+35=85