How many ways are there from Xiaohong's home to school? Can you tell which way is the shortest and which way is the farthest? Answer: Xiaohong's family has three roads to school. Go down and turn another corner. That road is the shortest. Go straight and turn straight. The second question is how long a rectangle 4cm wide is and how long a rectangle 3 times wide is. What is the length and circumference of this rectangle? The answer is 4 ⅹ 3 =12cm (12+4) x2 = 32cm. The third problem is that the rectangular vegetable field is six meters wide and three meters long. How long is the fence around it? If there is a fence, how many meters is it at least? The answer is (3+6) x2 = 65433. 18-6 = 12m。 According to the relevant public information, there are generally three problems in the exercises of the first volume of mathematics class in grade three. 1 The question is a fill-in-the-blank question, the second question is a calculation question, and the third question is a solution.