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Sphinxa [80]
3 years ago
12

What's the answer of 1+2+3+4+5+6+7+8+9+10?

Mathematics
2 answers:
natali 33 [55]3 years ago
7 0

Answer:

55

Step-by-step explanation:

1+2+3+4+5+6+7+8+9+10

= 1+9 + 2+8 + 3+7 + 4+6 + 10 + 5

= 10x5 + 5

= 55

liubo4ka [24]3 years ago
4 0

Answer:

55

Step-by-step explanation:

caculator

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