问题 解答题 直接写得数.3-0.47=25÷12=0.24×50=2-2÷7=8.4÷0.7=0.32=1.25×9×8=80×25%=14-15=(59+58)×72= 答案 3-0.47=2.53,25÷12=45,0.24×50=12,2-2÷7=157,8.4÷0.7=12,0.32=0.09,1.25×9×8=90,80×25%=20,14-15=120,(59+58)×72=85.故答案为:53,45,12,157,12,0.09,90,20,120,85.