优质解答
1、(+16)+(-29)-(-7)-(+11)+(+9)
2、(-3.1)-(-4.5)+(4.4)-(+1.3)+(2.5)
3、(+1/2)-(+5)+(-1/3)+(+1/4)+(+5 2/3)
4、(-2 2/5)-(-4.7)-(+0.5)+(+2.4)+(-3.2)
1、(+16)+(-29)-(-7)-(+11)+(+9)
2、(-3.1)-(-4.5)+(4.4)-(+1.3)+(2.5)
3、(+1/2)-(+5)+(-1/3)+(+1/4)+(+5 2/3)
4、(-2 2/5)-(-4.7)-(+0.5)+(+2.4)+(-3.2)