(-1/42)/(-2/7+1/6-3/14+2/3) 急用
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(-1/42)/(-2/7+1/6-3/14+2/3)急用(-1/42)/(-2/7+1/6-3/14+2/3)急用(-1/42)/(-2/7+1/6-3/14+2/3)急用(-1/42)/(-2/7
(-1/42)/(-2/7+1/6-3/14+2/3) 急用
(-1/42)/(-2/7+1/6-3/14+2/3) 急用
(-1/42)/(-2/7+1/6-3/14+2/3) 急用
(-1/42)/(-2/7+1/6-3/14+2/3)
=(-1/42)/(-2/7)+(-1/42)/(1/6)-(-1/42)/(3/14)+(-1/42)/(2/3)
=-7/84-1/7+43/126-18/84
=-25/84-18/126+43/126
=-25/84-25/126
=-75/252-50/252
=-125/252
计算:(1/6-1/7+2/3)除以(-1/42)
(1/6-2/3+3/7)*(-42)计算、
(1/6-2/3+3/7)*(-42)计算
-1+2+-3+4+-5+6+-7+...+42等于多少?
:(-42分之1)/(6分之1-7分之2+3分之2-7分之2)
(-1/42)÷【1/2-1/3+5/7+(-2/3)²*(-6)】怎么算?
-1/42÷(1/6-2/7+2/3-3/14)不要只写什么分子分母乘42之类的!
-42分之1/(6分之1+3分之2-7分之2-14分之3)=
计算:(-42分之1)/(6分之1-7分之2+3分之2-14分之3)
简便计算:(1/6-2/7+2/3-3/14)÷(-1/42)
简便计算:(1/6-3/14+2/3-2/7)/(-1/42)
(1∕6‐2∕7+2∕3‐3∕14)/(-1/42)
(-1/42)/(1/6-3/14+2/3-2/7)=?
(-1/42)/(1/6-2/7+2/3-3/14)要过程.谢谢谢.
(-1/42)/(-2/7+1/6-3/14+2/3) 急用
(-1/42)除以(1/6-3/14+2/3-2/7)
(6分之1一7分之1+3分之2)/(—42分之1)
(1/3-3/7+5/6)除以(-1/42)