Question

me pueden ayudannnnnnnnnnn​

Answer 1

$3 \times 6 = 18$

$33 \times 6 = 198$

$333 \times 6 = 1998$

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$333...333 \times 6 = 199...998$

$Suma = 1 + 9 \times 19 + 8 = 1 + 171 + 8 = 180$