1.2千c千克c芦荟e) = ….. c芦荟e ?
解决方案
1ķcal = 1000 c芦荟e
2ķcal = 2 (1000 c芦荟e)= 2000 c芦荟e
+2 4-XNUMX C芦荟e = …. c芦荟e ?
解决方案
1 C芦荟e (大写 C) = 1 kcal = 1000 c芦荟e
4 C芦荟e = 4(1000 c芦荟e)= 4000 c芦荟e
+3 10-XNUMX c芦荟e 焦耳?
解决方案
1 c芦荟e = 4.186 焦耳
10 c芦荟e = 10 (4.186 焦耳) = 41.86 焦耳
1.2千cal = ….. 焦耳?
解决方案
1ķcal = 1000 c焦耳 = 4186 焦耳
5ķcal = 5(4186 焦耳)= 20930 焦耳
5. 2000 焦耳 = …..千焦耳cal?
解决方案
4186焦耳 = 1千焦cal
8372 焦耳 = 8372 / 4186 = 2 千焦cal
2000 焦耳 = 2000 / 4186 = 0.4777 千焦cal
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