A.500g 20%的蔗糖溶液 |
B.用100g蔗糖配成的500g蔗糖溶液 |
C.把100g蔗糖完全溶解在500g水中所配成的溶液 |
D.把a g10%的蔗糖溶液加入a g30%的蔗糖溶液中所配成的蔗糖溶液 |
100g |
500g |
100g |
100g+500g |
ag×10%+ag×30% |
ag+ag |
A.18.2%、9.1%、10% | B.20%、9.1%、10% |
C.18.2%、9.1%、5% | D.20%、5%、10% |
a |
100 |
b |
c |
a |
100 |
b |
c |
A.10% | B.90% | C.11.1% | D.80% |
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