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In the sixth grade, I practiced 62 answers in math last semester (giving you a question), and if I got it right, I got a high score! !
1、2500*85%=2 125 2500-2 125=375

2、 100%-20%=80% 5600/80%=7000

3、50*80%=40 50+40=90

4、80*40%=32 80+32= 1 12 1 12/80%= 140 140-80=60 60/80=0.75=75%

5、0.5*500=250 1.5*370=555 1.5*85%= 1.2 500-370= 130 1.2* 130= 156 555+ 156=7 1 / kloc-0/ 7 1 1-250=46 1 46 1/250= 1.844= 184.4%

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