(-4.2)+5.7+(-8.4)+10 12-(-18)+(-7)-35 6.5+24-(-16)-6.8-3.2 (-1/4)+3又2/3+1/4+(-1又2/3)(-2又1/2)+(+5/6)-(+0.5)-(-1又1/6)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/16 07:09:57
(-4.2)+5.7+(-8.4)+10 12-(-18)+(-7)-35 6.5+24-(-16)-6.8-3.2 (-1/4)+3又2/3+1/4+(-1又2/3)(-2又1/2)+(+5/6)-(+0.5)-(-1又1/6)

(-4.2)+5.7+(-8.4)+10 12-(-18)+(-7)-35 6.5+24-(-16)-6.8-3.2 (-1/4)+3又2/3+1/4+(-1又2/3)(-2又1/2)+(+5/6)-(+0.5)-(-1又1/6)
(-4.2)+5.7+(-8.4)+10 12-(-18)+(-7)-35 6.5+24-(-16)-6.8-3.2 (-1/4)+3又2/3+1/4+(-1又2/3)
(-2又1/2)+(+5/6)-(+0.5)-(-1又1/6)

(-4.2)+5.7+(-8.4)+10 12-(-18)+(-7)-35 6.5+24-(-16)-6.8-3.2 (-1/4)+3又2/3+1/4+(-1又2/3)(-2又1/2)+(+5/6)-(+0.5)-(-1又1/6)
(-4.2)+5.7+(-8.4)+10
=-4.2+5.7-8.4+10
=3.1
12-(-18)+(-7)-35
=12+18-7-35
=-12
6.5+24-(-16)-6.8-3.2
=6.5+24+16-6.8-3.2
=6.5+40-10
=36.5
(-1/4)+3又2/3+1/4+(-1又2/3)
=-1/4+1/4+3又2/3-1又2/3
=0+2
=2
(-2又1/2)+(+5/6)-(+0.5)-(-1又1/6)
=-2又1/2-0.5+5/6+1又1/6
=-3+2
=-1