问题 解答题 直接写得数.400×12=70×200=122×40=190×2=250+80=4×16=720÷9=32×50= 答案 400×12=4800,70×200=14000,122×40=4880,190×2=380,250+80=330,4×16=64,720÷9=80,32×50=160.故答案为:4800,14000,4880,380,330,64,80,160.