题目内容
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[主观题]
If 0.2t=2.2-0.6s and 0.5s=0.2t +1.1,then s=A.1B.3C.10D.11E.30
If 0.2t=2.2-0.6s and 0.5s=0.2t +1.1,then s=
A.1
B.3
C.10
D.11
E.30
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increase?
A.2
B.4
C.6
D.8
E.16
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