\(\text{10) 2575 + 37 – 2576 – 29 = 7 }\)
\(\text{11) 34 + 35 + 36 + 37 – 14 – 15 – 16 – 17 = 80}\)
10) 2575+37-2576-29
= (2575-2576)+(37-29)
= -1+8
=7
11)34+35+36+37-14-15-16-17
=(34-14)+(35-15)+(36-16)+(37-17)
=20+20+20+20
=80
10) 2575 + 37 – 2576 – 29 = 7 10) 2575 + 37 – 2576 – 29 = 7
11) 34 + 35 + 36 + 37 – 14 – 15 – 16 – 17 = 80
cho mik một tick nhé