Roboguru

Kerjakan soal di bawah ini.

Kerjakan soal di bawah ini.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 7 cubed minus 5 cubed end cell equals cell open parentheses... cross times... cross times... close parentheses minus open parentheses... cross times... cross times... close parentheses end cell row blank equals cell... negative... end cell row blank equals cell... end cell end table end style 

Jawaban:

Diperhatikan bahwa begin mathsize 14px style straight a to the power of straight b equals straight a cross times straight a cross times... cross times straight a end style  sebanyak begin mathsize 14px style straight b end style kali.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 7 cubed minus 5 cubed end cell equals cell left parenthesis 7 cross times 7 cross times 7 right parenthesis minus left parenthesis 5 cross times 5 cross times 5 right parenthesis end cell row blank equals cell 343 minus 125 end cell row blank equals 218 end table end style     

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