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今天中午放学时,欢欢拉着妈妈到路边的一家超市买水彩笔。欢欢挑了一盒标价6元的水彩笔后,就拿到收银台前叫妈妈付钱。妈妈打开钱包,笑着说:“欢欢,你看,妈妈的钱包里有一张10元钱、一张5元钱,和很多张2元钱的纸币,还有许多个1元硬币呢。这样吧,你先说说要想买这盒水彩笔,可以怎样付钱呢?你能说出一共有多少种不同的付钱方法吗?”欢欢转动着眼珠子,认真地想了想,然后高兴地对妈妈说:“可以付六个1元硬币,1+1+1+1+1+1=6(元);可以付三
Today at noon school, Huanhuan took her mother to a supermarket on the road to buy watercolor crayons. Huanhuan pick a box of 6 yuan price tag, get the checkout called mother to pay. Mom opened her wallet and smiled and said, ”Huanhuan, look, there’s a $ 10 bill, a $ 5 bill, a lot of 2-dollar bills and a handful of 1-dollar coins in my mother’s purse. So, first of all, if you want to buy this box of watercolor pen, how can you pay? Can you tell me how many different payment methods? “Huanhuan turned his eyes and thought seriously, And then happy to say to her mother: ”can pay six 1 yuan coins, 1 + 1 + 1 +1 + 1 +1 = 6 (yuan); can pay three