题目内容
48千米2=________米2; 58厘米3=________分米3.
48000000 0.058
分析:把48千米2换算成米2数,用48乘进率1000000;
把58厘米3换算成分米3数,用58除以进率1000.
解答:48千米2=48000000米2;
58厘米3=0.058分米3.
故答案为:48000000,0.058.
点评:此题考查名数的换算,把高级单位的名数换算成低级单位的名数,就乘单位间的进率,反之,则除以单位间的进率.
分析:把48千米2换算成米2数,用48乘进率1000000;
把58厘米3换算成分米3数,用58除以进率1000.
解答:48千米2=48000000米2;
58厘米3=0.058分米3.
故答案为:48000000,0.058.
点评:此题考查名数的换算,把高级单位的名数换算成低级单位的名数,就乘单位间的进率,反之,则除以单位间的进率.
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