题目内容
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答案:
解析:
解析:
(1) |
10g÷2%=500g |
(2) |
196g÷(1-2%)=200g |
(3) |
50g×2%=1g(碘),50g-1g=49g(酒精) |
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题目内容
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(1) |
10g÷2%=500g |
(2) |
196g÷(1-2%)=200g |
(3) |
50g×2%=1g(碘),50g-1g=49g(酒精) |