=65+25=32+18=34+32=92-25=26+30=9+13=100-18=36+18=17+30=97-88=16+31=61+20=47+43=65+25=2827=62-53=()×4=163×()=188×()=64()×9=183×()=66×()181×()=45×()=20
41+3×991-9×9=20+28-8=65-(2126)8×3-15=97-(1717)69-7×3=33+3×941+15-26=35+(245)12+4×421+(2822)=62-4×5=57-2034=75+21-18=95-13-15=62-(2317)=22+4×6=84-(308)55-5×662+226=16+2×3=29-(128)75-32-7=61-4×8=
20
f21
fr