Question

1○2○3○4○5○6○7○8○9＝10怎么填？

只能填加好或减号，不能使用小括号~~~~~

Answer 1

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

Answer 2

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
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