26 * 136 - 36 간편 계산

26 * 136 - 36 간편 계산

26 * 136 - 36
= 26 * (100 + 36) - 36
= 26 * 100 + 26 * 36 - 36
= 2600 + 26 * (30 + 6) - 36
= 2600 + 780 + 156 - 36
= (2600 + 780) + (156 - 36)
= 3380 + 120
= 3500