3 р анги математик

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  • 1. 12 3- : . 2010-2011

2. , . -5 9 6 7 -2 7 9 3 #Slide 3 - 9 7 8 - 7 8 0 -40 6 78 3. . 596559706000 270932710027100 970897109800 708070807100 406784068040700 #Slide 2 4. . 10000 209*4 + 816/6 + 612/6 = 5. . 209 * 4 = 836 816 / 6 = 136612 / 6 = 102 10000 836 = 9164 9164 + 136 = 10300 10300 + 102 = 10402 6. - . 12 5 + 9 4 * 3 = 51 5 + 37 3 19 4 = 2 34 + 4 76 28 = 3 2 20 + 4 39 = 7. 2712407 888692710682405 19 8. ? 1 2 3 4 5 9. 5 5 5 5 5 = 255 5 5 5 5 = 5 5 5 5 5 5 = 5005 5 5 5 5 = 40 5 5 5 5 5 =1155 5 5 5 5 = 105 10. 5+5+5+5+5=25 55-55+5=5 555-55=500 5+5+5+5*5=40 55+55+5=115 55+55-5=105 11. , , , , , , , ,, , , , 12. ,,,, , , , , ,, 13. 65 8 ? 14. 65 8 ? 65 * 8 = 520 15. 52- 10 55- 1,2- . 16. 12 3 4 5 6 7 1- 3 4 3 1 1 12 2- 3 6 2 0 1 12 3- 4 5 5 0 4 18 17. 70 15 ??300 10 ?6 7 12 ?12002400 28700 ?