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3. 0g 4. 0g 3. 35g 3. 85g。
(100-5)x5%=4.75g 100-100/(1+0.05)=4.76g 100x5%=5g 100/(1-0.05)-100=5.26g
100×5%=5g (100-5)×5%=4.75g 100-100/(1+0.05)=4.76g 100/(1-0.05)-100=5.26g
水重=100-100/(1 0.06)=5.7g 水重=100×6%=6g 水重=(100 6)×6%=6.36g 水重=(100-6) ×6%=5.6g
100×5%=5 (100-5)×5%=4.75 100-100/(1+0.05)=4.76 100/(1-0.05)-100=5.26
100*0.96 (100-4)*0.96 100/1-0.04 100/1+0.04
100×5%=5g (100-5)×5%=4.75g 100-100/(1+0.05)=4.76g 100/(1-0.05)-100=5.26g