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[主观题]
浓度为20%的糖水60克,要将它变成浓度为40%的糖水,要加糖多少克?()A.12B.15C.20D.24
浓度为20%的糖水60克,要将它变成浓度为40%的糖水,要加糖多少克?()
A.12
B.15
C.20
D.24
查看答案
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浓度为20%的糖水60克,要将它变成浓度为40%的糖水,要加糖多少克?()
A.12
B.15
C.20
D.24
A.30 70
B.25 75
C.20 80
D.35 65
A.30%
B.24%
C.20%
D.18%
A.45
B.48
C.36
D.42
A.10
B.12
C.15
D.18
A.45
B.48
C.36
D.42
A.甲
B.乙
C.丙
D.乙和丙