问题 解答题 2.1×107=3.75+114=0.125×32=62=0.18×59=12-13=1÷13-13÷1=15×(13+15)=34×25÷34×25=14÷25%×18= 答案 2.1×107=3,3.75+114=5,0.125×32=4,62=36,0.18×59=0.1,12-13=16,1÷13-13÷1=223,15×(13+15)=8,34×25÷34×25=425,14÷25%×18=18.