Question

2^0+5×(5^100+5^99+5^98):5^98+343:7^2

Dau coroana

Answer 1

1+5 * [5^98(5^2+5^1+1)]:5^98+343:7^2=
=1+5 * (5^2+5^1+1)+343:7^2
=1+5^3+5^2+5+343:7^2
=1+125+25+5+343:49
=156+7
=163

Answer 2

2^0+5×(5^100+5^99+5^98):5^98+343:7^2=
=1+5×5^98×(5^2+5^1+5^0):5^98+7^3:7^2=
=1+5×(25+5+1)+7^1=
=1+5×31+7=1+155+7=163