X-18 = 1 / 4 x + 18 and (1 / 9) x = 296

X-18 = 1 / 4 x + 18 and (1 / 9) x = 296

X-18 = 1 / 4 x + 18
x-1/4x=18+18
3/4x=36
x=36÷3/4
x=48
(1-1 / 9) x = 296
8/9x=296
x=296÷8/9
x=333
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(32*72*25)\(9*8*5)

(32x72x25)/(9x8x5)
=（32/8）x（25/5）x（72/9）
=4x5x8
=20x8
=160

The number of male students in a six-year class is 2 / 9 more than that of female students, so the number of female students is less than that of male students ()

The number of male students in a six-year class is 2 / 9 more than that of female students, so the number of female students is less than that of male students (2 / 11)