Question

在数字1,2,3,4,5,6,7,8,9的前面添加"+""-""×""/",每个运算符号至少用到一次

Answer 1

1*2*3*4*5/6+7-8-9 = 10

1*2*3+4*5-6+7-8-9 = 10

1*2/3+4*5/6+7+8-9 = 10

1*2+3+4+5+6+7-8-9 = 10

1*2+3-4*5+6*7-8-9 = 10

1*2+3-4+5-6-7+8+9 = 10

1*2+3-4-5+6+7-8+9 = 10

1*2-3*4+5*6+7-8-9 = 10

1*2-3*4-5+6*7-8-9 = 10

1*2-3/4+5-6*7/8+9 = 10

1*2-3+4+5-6+7-8+9 = 10

1*2-3+4-5+6+7+8-9 = 10

1/2/3*4*5*6+7-8-9 = 10

1/2+3/4+5-6*7/8+9 = 10

1+2*3+4-5-6-7+8+9 = 10

1+2*3-4+5-6+7-8+9 = 10

1+2*3-4-5+6+7+8-9 = 10

1+2/3/4+5/6+7-8+9 = 10

1+2+3*4*5-6-7*8+9 = 10

1+2+3*4-5+6-7-8+9 = 10

1+2+3*4-5-6+7+8-9 = 10

1+2+3+4*5-6+7-8-9 = 10

1+2-3*4+5+6+7-8+9 = 10

1+2-3+4+5*6-7-8-9 = 10

1+2-3-4*5+6+7+8+9 = 10

1+2-3-4*5-6*7+8*9 = 10

1-2*3+4-5+6-7+8+9 = 10

1-2*3-4+5+6+7-8+9 = 10