2 3 时=

2\u5343\u514b50\u514b=______\u5343\u514b 0.5\u5398\u7c73=______\u7c73 5.08\u5343\u514b=______\u514b 3.2\uff1c______\uff1c3.3 2.25\u65f6=______\u5206

\uff081\uff092\u5343\u514b50\u514b=2.05\u5343\u514b\uff1b\uff082\uff090.5\u5398\u7c73=0.005\u7c73\uff1b \uff083\uff095.08\u5343\u514b=5080\u514b\uff1b\uff084\uff093.2\uff1c3.21\uff1c3.3\uff08\u4f5c\u6848\u4e0d\u552f\u4e00\uff09\uff1b \uff085\uff092.25\u65f6=135\u5206\uff1b\uff086\uff093.9\u5e73\u65b9\u5206\u7c73=0.039\u5e73\u65b9\u7c73\uff0e\u6545\u7b54\u6848\u4e3a\uff1a2.05\uff0c0.005\uff0c5080\uff0c3.21\uff0c135\uff0c0.039\uff0e

42\u00f760+2=2710\uff08\u65f6\uff09\uff0c2\u00d760+42=162\uff08\u5206\uff09\uff1b0.08\u00d71000=80\uff08\u7acb\u65b9\u5206\u7c73\uff09\uff1b\u6545\u7b54\u6848\u4e3a\uff1a2710\uff0c162\uff0c2\uff0c80\uff0e

(1)1时=60分,
2
3
时=
2
3
×60分=40分;
(2)2表示整吨数,1吨=1000千克,0.08×1000=80,所以0.08吨=80千克,2.08吨=2吨80千克.
故答案为:40,2,80.


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