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>> 4 . |
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3. 9
1. , , ∠ = 45, ∠ = 100, ∠ AOD = 162. 2. . , ∠ = 130. ? ? 3. . , ∠ = 73. ? 4. , ? . .
5. , :
6. 15 ? 5 ? 20 ? 30 ? 1 ? 7. 4 . ∠ = 150. ? , ? 8. ?
9. ) , NOM, NOT . , . ) , . 10. * [ ] , ? ) 87 * 29 = 5 [ ] ) [ ] 2 : 4 * 77 = 1 [ ] [ ] ) 18 * 3 9 = [ ] 5 ) (96 * 48) : 8 = [ ] [ ] ) [ ] 3 * 5 - 73 = 14 [ ] ) 300-(80 * 3) * 6 = 2[ ]0 11. :
12. : ) 25, 4, 100, 26, 5, 130, 27, 6, 162, ... ) 16, 48, 17, 51, 18, 54, ... 13. , = b . 14. . ) m 7 . 15 , ?
15. . , , .
16. : x < (400 000 - 98 440): 6 7 + 4920 907 : 123
17*. 7818 . 1245 , 5 , . 906 , , 38 % , . . , ?
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