Fill in the boxes.
□-23=16
Let the fraction be x
Consider
x-23=16x=16+23x=1×36×3+2×63×6x=318+1218x=3+1218x=1518x=56
Hence, the required fraction is 56
Fill in the following boxes:
12=8□=□10=6□
534-□=3512
310=12□=□50=□60
□+34=22224
If f=x1+x2+13(x1+x2)3+15(x1+x2)5+... to ∞ and g=x−23x3+15x5+17x7−29x9+..., then f=d×g. Find 4d.