最强大脑测试题
（加强版）



给下列式子加上合适的数学运算符号使等式成立：


10 10 10 10 = 1
10 10 10 10 = 2
10 10 10 10 = 3
10 10 10 10 = 4
10 10 10 10 = 5
10 10 10 10 = 6
10 10 10 10 = 7
10 10 10 10 = 8
10 10 10 10 = 9
10 10 10 10 = 10
10 10 10 10 = 11
10 10 10 10 = 12
10 10 10 10 = 13
10 10 10 10 = 14
10 10 10 10 = 15
10 10 10 10 = 16
10 10 10 10 = 17
10 10 10 10 = 18
10 10 10 10 = 19
10 10 10 10 = 20
10 10 10 10 = 21
10 10 10 10 = 22
10 10 10 10 = 23
10 10 10 10 = 24
10 10 10 10 = 25
10 10 10 10 = 26
10 10 10 10 = 27
10 10 10 10 = 28
10 10 10 10 = 29
10 10 10 10 = 30

注意：只能加符号不能加数字。