问题 解答题 直接写出得数.47+16=0.5×2.8=0.14÷0.2=56×38=16÷12=34-19= 答案 47+16=63,0.5×2.8=1.4,0.14÷0.2=0.7,56×38=21,16÷12=13,34-19=2336.