问题 解答题 直接写出得数 500-197=15÷34=57+27=214×47=0.02×1000=7.2÷100=4×12.5%=0.84÷0.7=35-0.4=3600÷90= 答案 500-197=303,15÷34=20,57+27=1,214×47=3,0.02×1000=20,7.2÷100=0.072,4×12.5%=0.5,0.84÷0.7=1.2,35-0.4=0.2,3600÷90=40.