Ответы на вопрос:
600: 2+4*(240-40): 2=700 1)240-40=200 2)600: 2=300 3)4*200=800 4)800: 2=400 5)300+400=700 45дм2 32дм2-60дм2= 1)45дм2+32дм2=77дм2 2)77дм2-60дм2=17дм2
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