(8/9+1又3/7+6/11)÷(3/11+5/7+4/9)简算
问题描述:
(8/9+1又3/7+6/11)÷(3/11+5/7+4/9)简算
答
(8/9+1又3/7+6/11)÷(3/11+5/7+4/9)
=(8/9+10/7+6/11)÷(4/9+5/7+3/11)
=2*(4/9+5/7+3/11)÷(4/9+5/7+3/11)
=2
答
(8/9+1又3/7+6/11)÷(3/11+5/7+4/9)
=(2×4/9+2×5/7+2×3/11)÷(3/11+5/7+4/9)
=2[(3/11+5/7+4/9)÷(3/11+5/7+4/9)]
=2
欢迎提问
答
【(8*77+10*99+6*81)/9*7*11】÷【(4*77+3*81+5*99)/9*7*11】
=(8*77+10*99+6*81)/(4*77+3*81+5*99)
=2