co bao nhieu vi soa tren troi

2 câu trả lời

10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000........0visao

có 9.........................................................................................99999999999.........................99999999 vì sao