package main

import "fmt"

func main() {
	var t int
	fmt.Scanf("%d", &t)

	res := make([]int, t)
	for i := 0; i < t; i++ {
		var b, s, c int
		fmt.Scanf("%d", &b)
		fmt.Scanf("%d", &s)
		fmt.Scanf("%d", &c)

		res[i] = profit(b, s, c)
	}

	for i := 0; i < t; i++ {
		fmt.Println(res[i])
	}
}

func profit(b, s, c int) int {
	return b + s - c
}