(-2.48)+(+4.33)+(-7.52)+(-4.33)=
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/05 23:35:32
xRJ0}aF}IVVWNTBPP zuU_:@BHrp7ne`!dqdf JL 7z=8nÍڛKjG&ImzWjV~?n`QaM'#n/x?\uehӴ r$ʹt`+$h9¯(qȀ{> @BC[,[{֖:s$lE,ąXvZ_ ϱZ
(-2.48)+(+4.33)+(-7.52)+(-4.33)=
(-2.48)+(+4.33)+(-7.52)+(-4.33)=
(-2.48)+(+4.33)+(-7.52)+(-4.33)=
(-2.48)+(4.33)+(-7.52)+(4.33)
=-2.48+4.33-7.52+4.33
=-2.48-7.52+4.33+4.33
=-(2.48+7.52)+(4.33+4.33)
=-10+8.66
=-1.34
望采纳,谢谢
-10
???
10
答案是:(-10)对吗
-10
是负十
-10
(-2.48)+(+4.33)+(-7.52)+(-4.33)=
简算的问题:1、3.124+12.56-5.89 2、15.23-(3.1+0.85) 3、76.102-18.147+2.93 4、7.5-(7.5-2.48) 5、9.92+4.26-9.92
计算:(+1)+(-3)+(+5)+(-7)+⋯+(+97)+(-99)
(+1)+(-2)+(+3)+(-4)++(+99)+(-100)等于几?
(-2)+4+(-6)+8++(-98)+100等于几?
1+(-2)+3+(-4)+5+(-6)+…+2003+(-2014)
(-1)+2+(-3)+4+(-5)+6+⋯+2010+(-2011)
请猜想1+3+5+7.+(2n-1)+(2n+1)+(2n+3)= (只填乘方形式)请用上述规律计算103 +105 +107 +...+2003+ 2005
1+(-2)+3(-4)+5+(-6)+……+2003+(-2014)简便计算
- |- 0.25 |+(+4分之3)-(-0.125)+|-0.75|
(-90)+(-89)+(-88)+…+(+99)+(+100)怎么算?
(1988+1986+.+6+4+2)-(1+3+5+.+1987)简便运算
2.48×56%+2.48×44%=
(+23)+(-27)+(+9)+(-5)快!脱式计算!
(9999+9997+.+9001)-(1+3+.+999)如题
3+(-6)+6+(-9)+9+⋯+27+(-30)简便计算?
(1+123+234)×(123+234+345)-(1+123+234+345)×(123+234)
(1000+123+234)×(123+234+345)-(1000+123+234+345)×(123+234)简便运算