substitution的英文意思 Solve this system of equations using substitution. Check. 3y - 2x = 11 y + 2x = 9 The substitution method is used to eliminate one of the variables by replacement...
用大豆代替肉蛋白質增加PTH，NcAMP 和calcitriol的集中。 (我不知道這是不是你要的答案,,,參考看看吧^^希望沒錯><)
1.they hid [in the cave] They hid [under the table] 2.the [computer was very expensive] The [ table is too big ] 3.jane will [leave town] Jane will [go home] 這應該是國一英文吧