Evaluate `(991xx991xx991+9xx9xx9)/(991xx991 - 991xx9 + 9xx9)`

9 xx 9 xx 9 xx 9

Prove that (59xx 59 xx 59 -9xx 9xx 9)/(59xx 59 +59xx 9+9xx 9)=50 .

Evaluate: sqrt((9.5xx.0085xx18.9)/(.0017xx1.9xx0.021))

14.995 xx 8.001 xx 20.991 = ?

Evaluate: (-52) times (-9)

If 19xx6=38 32xx12=128 17xx9=51 9xx3=?

Evaluate sqrt(16)+sqrt((9.5xx0.0085xx18.9)/(0.021xx0.0017xx1.9)) .

The square root of (9.5xx0.0085xx18.9)/ (0.0017xx1.9xx2.1) is (9.5xx0.0085xx18.9)/ (0.0017xx1.9xx2.1) का वर्गमूल है-

(-2)xx(-4)xx(-9)