87*43+(87^3-43^3)/44=87*43+(87-43)(87^2+87*43+43^2)/44=
87*43+44* (87^2+87*43+43^2)/44=87*43+87^2+87*43+43^2=87^2+2*87*43+43^2=
=(87+43)^2=130^2=16900
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
87*43+(87^3-43^3)/44=87*43+(87-43)(87^2+87*43+43^2)/44=
87*43+44* (87^2+87*43+43^2)/44=87*43+87^2+87*43+43^2=87^2+2*87*43+43^2=
=(87+43)^2=130^2=16900