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1又2/3×1又2/3等于多少?

1又2/3×3/2等于多少,要过程。 1又2/3×3/2 =5/3×3/2 =5/2 =2又...

1又2/3×1又2/3 =(1+2/3)(1+2/3) =5/3x5/3 =25/9 =2又...

1又1/2+1/3等于1又5/6

-1又2/3×3/5+(-1/2)÷(2/5) =-5/3x3/5-1/2x5/2 =-1-5/4 ...

这道题这样算, 先通分14/6-9/6=5/6, 就是这个数

1+2/3等于5/3或1又2/3 解答过程: 1+2/3 =3/3+2/3 =5/3(1又2/3) ...

7/2-1/3 =21/6-2/6 =19/6 =3又1/6

1又2/3+1又2/3 =(1+2/3)+(1+2/3) =2+4/3 =3又1/3

1又2/3,为5/3 加2/3 为7/3

a2+b2 =(a-b)2+2ab =52+2×3 =25+6 =31 (a+b)2 =(a-b)2...

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