问题 解答题 直接写出各题得数.0.4÷40%=0.64+3.6=0.25×4=0.56×18=15×15=5.6÷0.1%=49÷2=925×23=38÷3+3÷38=6.73×99+6.73= 答案 0.4÷40%=1,0.64+3.6=4.24,0.25×4=1,0.56×18=0.07,15×15=125,5.6÷0.1%=560,49÷2=29,925×23=625,38÷3+3÷38=818,6.73×99+6.73=673.