Current location - Training Enrollment Network - Mathematics courses - Su Jiaoban, Grade 5, Math Volume II, 16, answer Xiaohong, I am 30 years younger than you. Dad said that I am exactly four times your age this year. Xiaohonghe
Su Jiaoban, Grade 5, Math Volume II, 16, answer Xiaohong, I am 30 years younger than you. Dad said that I am exactly four times your age this year. Xiaohonghe
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Dad said that I am exactly four times your age this year. Explain that Xiaohong's age is 1 and Dad's age is 4. They are three points apart, which is 30 points.