跟着淘气的豆丁,一起来挑战游乐场的游戏吧。算一算(1)豆丁的弟弟和爸爸、妈妈今年的年龄分别是6岁、35岁、31岁。请问,几年后爸爸、妈妈的年龄相加是豆丁弟弟年龄的5倍呢?(2)阿怪从家到梦想成真体验馆,选择不同的交通方式,所用时间各不相同。如果步行的话,每分钟走80米;如果骑自行车的话,每分钟骑200米,还可以提前7分钟抵达。 Follow naughty Douding, together to challenge the playground game. Counting (1) Douding brother and father, mother this year's age is 6 years old, 35 years old, 31 years old. Excuse me, a few years later, father, mother's age is Douding younger brother five times the age? (2) A strange from home to a dream come true experience museum, choose different modes of transportation, the use of time varies. If you walk, walk 80 meters per minute; if riding a bicycle, riding 200 meters per minute, but also arrive 7 minutes in advance.