61, 102, 205, 6113, 4996, 788152,
Observe the following pattern:
13 = 1
13 + 23 = (1 + 2)2
1+ 2+ 3= (1 + 2 + 3)?
Write the next five rows and calcula
13 + 23 +33 + ... + 83 +93 + 103 using
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Answer:
Multiply one's digit
(231) 3 =231×231×231
⇒ One's digit =1×1×1=1
(358) 2 =8×8×8=512
⇒ One's digit =2
(491) 3 =1×1×1=1
(854) 3 =4×4×4=64
⇒ One's digit =4
Hope it helped good luck for your wxam next week...
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