问题 解答题 6×23=34+18=58×45=3-23=0.12=34÷12=34÷38=0.125×16=3+38-3+38= 答案 6×23=4,34+18=78,58×45=12,3-23=213,0.12=0.0134÷12=116,34÷38=2,0.125×16=2,3+38-3+38=34.