1.The objects below have the following
masses.
E = 200 grams
F = 250 grams
K = 500 grams
Which combination of objects below makes
up 2.050 kilograms?
(A) K K K K F
(B) K K F F F E E
(C) K K K F E E
(D) K K F E E E E
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2007-04-07 7:12 am
回答 (2)
2007-04-07 7:22 am
✔ 最佳答案
答案係D2.050 kilograms = 2050 grams
A. KKKKF = (500 x 4) + 250 = 2250
B. KKFFFEE = (500 x 2) + (250 x 3) + (200 x 2) = 1000 + 750 + 400 = 2150
C. KKKFEE = (500 x 3) + 250 + (200 x 2) = 1500 +250 + 400 = 2150
D. KKFEEEE= (500 x 2) + 250 + (200 x 4) = 1000 + 250 + 800 = 2050
so answer is D
參考: mee
收錄日期: 2021-04-13 13:48:55
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