问题 解答题 直接写出得数822-199=1.87+5.3=7÷1.4=0.18×10=25÷4=1-47=16+23=2.5×0.4=910×512=36×25%= 答案 822-199=623,1.87+5.3=7.17,7÷1.4=5,0.18×10=1.8,25÷4=0.1,1-47=37,16+23=56,2.5×0.4=1,910×512=38,36×25%=9.故答案为:623,7.17,5,1.8,0.1,37,56,1,38,9.