问题 解答题 口算:36÷67×76=1÷0.05=1÷23-23÷1=0.45÷1.5=29-(29-78)=4.98×0.5×2=0.2×12= 答案 36÷67×76=49,1÷0.05=20,1÷23-23÷1=56,0.45÷1.5=0.3,29-(29-78)=78,4.98×0.5×2=4.98,0.2×12=0.1.