Question

用英文出的数学题

希望有中文有解答，初一难度或六年级难度，急，最好是有试卷和二外的招生考差不多的，，谢谢

Answer 1

There is two squares.One is ABCD and another is EFGH.Their areas'  difference is 37.Q:What is the area of CDFG?

PICTURE：

中文：正方形ABCD与正方形BEFG放在一起。两个正方形面积之差等于37平方厘米。问：四边形CDGF的面积是多少？

解答：设正方形ABCD的边长是a,正方形BEFG的边长是b
四边形CDGF的面积
=(FG+CD)×CG÷2
=(b+a)×(a-b)÷2
=(a²-b²)/2
=37/2㎝²
=18.5㎝²

解答看不懂可以追问我

Answer 2

Two ants start at point A and walk at the same pace. One ant walks around a 3 cm by 3 cm square whilst the other walks around a 6 cm by 3 cmrectangle. What is the minimum distance, in centimetres, any one mustcover before they meet again

Answer 3

one＋one＝？

Answer 4

there are 1/2 apple,and three children will eat ,how many do they eat?