Question

1+2+3+4+5+6+7+8+9+10=​

Answer 1

Answer:

+2+3+4+5+6+7+8+9+10 = 55

Answer 2

Answer:

55

Step-by-step explanation:

there is a formula.

when you add numbers that are in order

the formula is

$(a + l) \frac{n}{2}$

where a is the initial term

l is the final term

n is the number of terms.

applying it

$(1 + 10) \times 10 \div 2$

$= 11 \times 5$

=55