Question

用+ - × ÷做出下题 1 2 3 4 5=10 1 2 3 4 5=10 1 2 3 4 5=10

Answer 1

(1+2+3-4)x5=10

(1+2)÷3+4+5=10

(1+2)x3-4+5=10

做了很久也没办法把+-x÷都用上.