Question

2()2()2()2=2括号里填上什么符合等式可以成立

2()2()2()2=2括号里填上什么符合等式可以成立

Answer 1

2(➗)2(+)2(➗)2=2

Answer 2

Country specific scientific research equipment is used for research and development shall be exempted from duties

Answer 3

2(÷)2(+)2(÷)2=2