来自吕玉增的问题
计算题根号4-根号9|根号2-根号3|+|根号3-根号4|+根号2根号4-根号9与|根号2-根号3|+|根号3-根号4|+根号2
计算题根号4-根号9|根号2-根号3|+|根号3-根号4|+根号2
根号4-根号9与|根号2-根号3|+|根号3-根号4|+根号2
1回答
2020-02-25 21:19
计算题根号4-根号9|根号2-根号3|+|根号3-根号4|+根号2根号4-根号9与|根号2-根号3|+|根号3-根号4|+根号2
计算题根号4-根号9|根号2-根号3|+|根号3-根号4|+根号2
根号4-根号9与|根号2-根号3|+|根号3-根号4|+根号2
根号4-根号9=2-3=-1
|根号2-根号3|+|根号3-根号4|+根号2=根号3-根号2+2-根号3+根号2=2