问题 解答题 直接写得数:8÷30=25÷100=1-75%=15×65=25×12×0.4=2÷50%=67×21=89÷9=200×5%=37+47×2= 答案 8÷30=415,25÷100=0.25,1-75%=0.25,15×65=1825×12×0.4=5.2÷50%=4,67×21=18,89÷9=881,200×5%=10,37+47×2=117.