Question

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Answer 1

1.3,07777.... и 12,(6)
2. 0,(7) ; 0,0(90); 2,8(3)
3. 43

Answer 2

1. 3,07777....; 12,(6).
2. 0,(7); 0,(09); 2,8(3).
3. -х+8+43-8+х=43.