问题
填空题
根据算式312×23=7176,在横线里填上适当的数.
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答案
因为312×23=7176,
(312÷100)×23=71.76; (312÷10)×(23÷100)=7.176;
(312×10)×(23÷1000)=71.76; (7176÷10)=312×(23÷10)=312×2.3.
故答案案为:71.76,7.176,71.76,312,2.3.
根据算式312×23=7176,在横线里填上适当的数.
|
因为312×23=7176,
(312÷100)×23=71.76; (312÷10)×(23÷100)=7.176;
(312×10)×(23÷1000)=71.76; (7176÷10)=312×(23÷10)=312×2.3.
故答案案为:71.76,7.176,71.76,312,2.3.