问题 解答题 口算.1÷45=11-49=13+14=12÷3=0.125×8=12×45=0.37+1.3=12÷18=4-78-18=2008×99+2008= 答案 1÷45=54,11-49=1059,13+14=712,12÷3=16,0.125×8=1,12×45=25,0.37+1.3=1.67,12÷18=4,4-78-18=3,2008×99+2008=200800.