17 pangkat 2 dikali 31 pangkat 2=17 dikali 7 + 31 dikali 3= 28+28=....
Jawaban:
5.832.458
penyelesaian :
17²=17x17=289
31²=31x31=961
961
289
______x
277.729
7
_______x
1.944.103
31
_______+
1.944.134
3
_______x
5.832.402
28
_________+
5.832.430
28
_________+
5.832.458