Ответ:
6) 12,33-6,748=5,582
37,2-10,643=26,557
7) (1,28+х)-38,4=2,28
1,28+х=2,28+38,4
1,28+х=40,68
х=40,68-1,28
х=39,4
39,48-(74,52-а)=35,56
74,52-а=75,04
а= 75,04-74,52
а= 0,52
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Ответ:
6) 12,33-6,748=5,582
37,2-10,643=26,557
7) (1,28+х)-38,4=2,28
1,28+х=2,28+38,4
1,28+х=40,68
х=40,68-1,28
х=39,4
39,48-(74,52-а)=35,56
74,52-а=75,04
а= 75,04-74,52
а= 0,52