1+1=?1+2=?1+3=?1+4=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/06 13:56:46
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1+1=?1+2=?1+3=?1+4=?
1+1=?1+2=?1+3=?1+4=?
1+1=?1+2=?1+3=?1+4=?
单位统一时,1+1=2,1+2 =3 ,1+3=4,1+4=5
1/2+1/3+1/4=?
1/2-3/1-4/1=
(1-1/2)*(1-1/3)*(1-1/4)*...*(1-1/99)*(1-1/100)=
1+1=?1+2=?1+3=?1+4=?
1+1=?1+2=?1+3=?1+4=?
1/4-1/5=1/18+1/6=1/2-1/8=7/11+5=1/3+1/4=2-1/3=
1+1=?还有1+2+3+4+5=?
(1-1/2)+(1/2-1/3)+(1/3-1/4)+.+(1/1999-1/2000)=
1/4*( )=2/3除以( )=7*( )=1
1+1=?1+2=?1+3=?
1+2+3+4=
1+2+3+4=
1+2+3+4=?
-4/3×1/2=
-1+2-3+4=
1+2+3+4=
1+2+3+4=
巧算:(1+1/2+1/3+1/4+1/5)*(1/2+1/3+1/4+1/5+1/6)-(1+1/2+1/3+1/4+1/5+1/6)*(1/2+1/3+1/4+1/5)(1+1/2+1/3+1/4+1/5)*(1/2+1/3+1/4+1/5+1/6)-(1+1/2+1/3+1/4+1/5+1/6)*(1/2+1/3+1/4+1/5)=====