已知8.4×7.5=63那么84×7.5=______0.84×75=______0.84×0.75=______.
由8.4×7.5=63,得:
84×7.5=630,
0.84×75=63,
0.84×0.75=0.63.
故答案为:630,63,0.63.
已知8.4×7.5=63那么84×7.5=______0.84×75=______0.84×0.75=______.
由8.4×7.5=63,得:
84×7.5=630,
0.84×75=63,
0.84×0.75=0.63.
故答案为:630,63,0.63.