1.(-83)+(+26)+(-41)+(+15),2.(+14)+(-4)+(-2)+(+26)+(-3)
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/06/15 21:02:27
1.(-83)+(+26)+(-41)+(+15),2.(+14)+(-4)+(-2)+(+26)+(-3)
3.(-9.6)+1.5+(-0.4)+(-0.3)+8.5
3.(-9.6)+1.5+(-0.4)+(-0.3)+8.5
1、(-83)+(+26)+(-41)+(+15),2.(+14)+(-4)+(-2)+(+26)+(-3)
=-83+26-41+15
=-83+(26+14-41)
=83+0
=-83
2、(+14)+(-4)+(-2)+(+26)+(-3)
=14-4-2+26-3
=14+26-(4+2+3)
=40-9
=31
3.(-9.6)+1.5+(-0.4)+(-0.3)+8.5
=-9.6+1.5-0.4-0.3+8.5
=(1.5+8.5)-(9.6+0.4)-0.3
=10-10-0.3
=-0.3
=-83+26-41+15
=-83+(26+14-41)
=83+0
=-83
2、(+14)+(-4)+(-2)+(+26)+(-3)
=14-4-2+26-3
=14+26-(4+2+3)
=40-9
=31
3.(-9.6)+1.5+(-0.4)+(-0.3)+8.5
=-9.6+1.5-0.4-0.3+8.5
=(1.5+8.5)-(9.6+0.4)-0.3
=10-10-0.3
=-0.3
1.(-83)+(+26)+(-41)+(+15),2.(+14)+(-4)+(-2)+(+26)+(-3)
14+(-4)+(-2)+26+(-3)=?(-83)+26+(-41)+15=?
计算:1、(+14)+(-4)+(-2)+(-26)+(-3) 2、(﹣83)+(+26)+(-41)+(+15)
有理数的加法计算(+14)+(-4)+(-2)+(+26)+(-3)(-83)+(+26)+(-41)+(+15)(-1
(+14)+(-4)+(-2)+(+26)+(-3)= (-83)+(+26)+(-41)+(+15)=
(-83)+(+26)+(-41)+(+15)
2--2--4--8--14--26--48--88--?找规律,填数字
(+14)+(-4)+(-2)+(+26)+(-3) 用有理数加法德运算律计算
(+14)+(-4)+(-2)+(+26)+(-3)
14+(-4)-2-(-26)-3
4又11分之3-13分之6÷26分之9-2又3分之2
一.1)在1——100中,有( )个数是3的倍数.2)1000-81-11-82-12-83-13-84-14-85-1