问题 解答题 16+23=2-211=611÷233=1÷14-14-1=4.5÷4.5÷12=712×2.4=0.4+14=(59-16)×18= 答案 16+23=562-211=2011611÷233=91÷14-14-1=2344.5÷4.5÷12=2712×2.4=1.40.4+14=0.65(59-16)×18=7