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?????? 73- 45=28

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3 10????????

4 ???????????40???????????

5. ????????????????????ó????? ????9?? ?????????

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7. ??????5+5????????1+2000????

8. ???? ??????10????10?????? ??????????????????130 ?????????????? ??????10 ????????????? ??? ???? ?????????

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С?????? ?????С400 500 20??? 40??? 10??? 30??? 10????? 35???????15????20????20????=200

200-73=127 127x30=381 ?????????????????????????????????????5+5???? ???????????????黹???????? ????????????3??ò???е????

???????? ?????1000?? 50??? 40??? 30??? 50??? 10 ???? 35?????? 30???? 40???? 40????=325

325-73=252 252x30=7560 ?????????嶯 ???????????????cd ??????????????????????cd????????cd???? ????cd???? ????????100?????????

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