\(=900:\left[50+\left(49-24\right)\cdot2\right]+1\)
=900:100+1
=9+1
=10
900 : [50 + (7 x 7 - 8 x 3) x 2] + 20220
=900 : [50 + (49-24) x 2] +1
=900 : [50 + 25 x 2] +1
=900 : [50 + 50] + 1
=900 :100 +1
=9 +1
=10
=900 : (50 + (49 - 24) x 2) + 1
=900 : (50 + 25 x 2) + 1
=900 : (50 + 50) + 1
=900 : 100 + 1
=9 + 1
=10