the lengths of two rivers are in the ratio 12:7

the lengths of two rivers are in the ratio 12:7 The lengths （长度）of two rivers are in the ratio 12:7.The leng The lengths of two rivers are in the raito 12:7.The lenght o The weights of two boys are in the ratio 5:4.If the weight o the weights of two boys are in the ratio 5:4 Two sides of a triangle are 5cm and 9cm long.The ratio of th 英语翻译the masses of three student are in the ratio 4:5:8,if th there is two rivers in the city修改错误 The ratio of girls to boys in a class is 2:5.There are 8 gir 小升初英语奥数Two numbers are in the ratio 2 :3.When 4 is added to two sides of a triangle have lengths 28.2cm and 18.8cm,the a any there rivers the park are nature in 连词成句哦~