-21.6+3+7.4+(-2/5);(-6/5)-7-(3.2)+(-1);0.5+(-1/4)-(-2.75)+1/2;这些题怎么算啊?这几道题我不过算请大家帮帮忙发发慈悲叻~
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 07:20:09
![-21.6+3+7.4+(-2/5);(-6/5)-7-(3.2)+(-1);0.5+(-1/4)-(-2.75)+1/2;这些题怎么算啊?这几道题我不过算请大家帮帮忙发发慈悲叻~](/uploads/image/z/1766962-10-2.jpg?t=-21.6%2B3%2B7.4%2B%EF%BC%88-2%2F5%EF%BC%89%EF%BC%9B%EF%BC%88-6%2F5%EF%BC%89-7-%EF%BC%883.2%EF%BC%89%2B%EF%BC%88-1%EF%BC%89%EF%BC%9B0.5%2B%EF%BC%88-1%2F4%EF%BC%89-%EF%BC%88-2.75%EF%BC%89%2B1%2F2%EF%BC%9B%E8%BF%99%E4%BA%9B%E9%A2%98%E6%80%8E%E4%B9%88%E7%AE%97%E5%95%8A%3F%E8%BF%99%E5%87%A0%E9%81%93%E9%A2%98%E6%88%91%E4%B8%8D%E8%BF%87%E7%AE%97%E8%AF%B7%E5%A4%A7%E5%AE%B6%E5%B8%AE%E5%B8%AE%E5%BF%99%E5%8F%91%E5%8F%91%E6%85%88%E6%82%B2%E5%8F%BB%7E)
-21.6+3+7.4+(-2/5);(-6/5)-7-(3.2)+(-1);0.5+(-1/4)-(-2.75)+1/2;这些题怎么算啊?这几道题我不过算请大家帮帮忙发发慈悲叻~
-21.6+3+7.4+(-2/5);(-6/5)-7-(3.2)+(-1);0.5+(-1/4)-(-2.75)+1/2;这些题怎么算啊?
这几道题我不过算请大家帮帮忙发发慈悲叻~
-21.6+3+7.4+(-2/5);(-6/5)-7-(3.2)+(-1);0.5+(-1/4)-(-2.75)+1/2;这些题怎么算啊?这几道题我不过算请大家帮帮忙发发慈悲叻~
-21.6+3+7.4+(-2/5);
先加负数 再加正数
= -21.6-0.4+3+7.4
=-22+10.4
=- 11.6
(-6/5)-7-(3.2)+(-1);
= -1.2-7-3.2-1
=-15.4
0.5+(-1/4)-(-2.75)+1/2
= 0.5-0.25+2.75+0.5
=3.5
(-21.6)+3-7.4+(-2/5)
(-5)+(-21.6)-(-3)-7.4
21.6+3-7.4+(负5分之2)这题怎么解?是-21.6+3-7.4+(-5分之2)
-21.6+3-7.4+(-2/5)(-6/5)-7-(-3.2)+(-1)
(一21.6)+3一7.4十(一5/2)
计算题,(-21.6)+3-7.4+(-5分之2),
—21.6+3—7.4+(—5分之2) 每一步都要写出来.快,
(-21.6)+3-7.4+(-0.4)
-21.6+3-7.4+(-五分之二)
(1)7+(-2)-3.4 (2)(-21.6)+3-7.4+(-2/5) 写步骤算出结果并说明理由
负21.6加3减7.4加负5分之2怎么算?
(-21.6)+3-7.4+(-2/5)= 7-(-1/2)+1.5= (-6/5)-7-(3.2(-21.6)+3-7.4+(-2/5)=7-(-1/2)+1.5=(-6/5)-7-(3.2)+(-1)=
计算:(1)7+(-2)-3.4 (2)(-21.6)+3-7.4+(-2/5) (3)31计算:(1)7+(-2)-3.4(2)(-21.6)+3-7.4+(-2/5)(3)31+(-5/4)+0.25(4)7-(-1/2)+1.5(5)49-(-20.6)-3/5(6)(-6/5)-7-(-3.2)+(-1
正负数混合运算 计算题7+(-2)-3.4;-21.6+3-7.4+(-2/5);31+(-5/4)+0.25;7-(-1/2)+1.5;49-(-20.6)-3/5:(-6/5)-7-(-3.2)+(-1)
负21.6加3加负7.4加负5分之2等于多少?最好有过程
有理数的加减混合运算7+(-2)-3.4—21.6+3-7.4+(-2/5)31+(-5/4)+0.257-(-1/2)+1.549-(-20.6)-3/5(-6/5)-7-(-3.2)+(-1)
-21.6+3+7.4+(-2/5);(-6/5)-7-(3.2)+(-1);0.5+(-1/4)-(-2.75)+1/2;这些题怎么算啊?这几道题我不过算请大家帮帮忙发发慈悲叻~
16-7又1/2-(-3又1/3)-11又5/6 有理数加减混合运算22.34+(-4.3)+(-12.34)-(-4.3)1/4+(-2/3)+(-2又1/4)-(+1又1/3)(-21.6)+3-7.4+(-2/5)10/3+(-11/4)-(-5/6)+(-7/12)