a: \(=-5-5+8+9=17-10=7\)
b: \(=5-3+7-8=12-11=1\)
c: =15+3-7+8=26-7=19
d: =4-7-5-5
=-3-10
=-13
e: =10+5-11+7
=-1+12
=11
f: =-5+7-8+10=17-13=4
g: =-17-8+15=-2-8=-10
h: =-12+25-(-1)=13+1=14
h: =6-5+3+12=15+1=16
Đúng 0
Bình luận (0)
