BAGI BAGI POIN 2/5 2. 1+2+3+4+5+6+7+8+9+10(Pakai cara)
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JAWABAN :
1 + 2 + 3+ 4 + 5 +6 +7 + 8 + 9 + 10 =
= 1 + 2 + 3 + 4 + 5+ 6 +7 + 8 +9 + 10
= 3 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10
= 6 + 4 + 5 + 6 +7 + 8 + 9 + 10
= 10 + 5 + 6 + 7 + 8 + 9+ 10
= 15 + 6 +7+ 8 + 9 + 10
= 21 + 7 + 8 + 9 + 10
= 28 +8 + 9 + 10
= 36 + 9 + 10
= 45 + 10
= 55
PENJELASAN :
=> Maaf kalau salah
=> Semoga bermanfaat
=> Semoga membantu
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1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 =
= 3 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10
= 6 + 4 + 5 + 6 + 7 + 8 + 9 + 10
= 10 + 5 + 6 + 7 + 8 + 9 + 10
= 15 + 6 + 7 + 8 + 9 + 10
= 21 + 7 + 8 + 9 + 10
= 28 + 8 + 9 + 10
= 36 + 9 + 10
= 45 + 10
= 55