выполни действия 81:9+26*6-144:72 ; 4*18-9-32:8+111*8 ; (25*3:15)*(48*2:16) ; (12*7:42)*(16*6:24) пожалуйста по действиям
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81 : 9 + 26* 6- 144: 72 = 163
1) 81 : 9 = 9
2) 26 * 6 = 156
3) 144 : 72 = 2
4) 9 + 156 = 165
5) 165 - 2 = 163
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4 * 18 - 9 - 32 : 8 + 111 * 8 = 947
1) 4 * 18 = 72
2) 32 : 8 = 4
3) 111 * 8 = 888
4) 72 - 9 = 63
5) 63 - 4 = 59
6) 59 + 888 = 947
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(25 * 3 : 15) * (48 * 2 : 16) = 30
1) 25 * 3 = 75
2) 75 : 15 = 5
3) 48 * 2 = 96
4) 96 : 16 = 6
5) 5 * 6 = 30
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(12 * 7 : 42) * (16 * 6 : 24) = 8
1) 12 * 7 = 84
2) 84 : 42 = 2
3) 16 * 6 = 96
4) 96 : 24 = 4
5) 2 * 4 = 8
1) 81 : 9 = 9
2) 26 * 6 = 156
3) 144 : 72 = 2
4) 9 + 156 = 165
5) 165 - 2 = 163
-----------------------------------------
4 * 18 - 9 - 32 : 8 + 111 * 8 = 947
1) 4 * 18 = 72
2) 32 : 8 = 4
3) 111 * 8 = 888
4) 72 - 9 = 63
5) 63 - 4 = 59
6) 59 + 888 = 947
--------------------------------------
(25 * 3 : 15) * (48 * 2 : 16) = 30
1) 25 * 3 = 75
2) 75 : 15 = 5
3) 48 * 2 = 96
4) 96 : 16 = 6
5) 5 * 6 = 30
-------------------------------
(12 * 7 : 42) * (16 * 6 : 24) = 8
1) 12 * 7 = 84
2) 84 : 42 = 2
3) 16 * 6 = 96
4) 96 : 24 = 4
5) 2 * 4 = 8
Ответ дал:
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1. ![frac{81}{9}+26*6-frac{144}{72}=9+156-2=165-2=163; frac{81}{9}+26*6-frac{144}{72}=9+156-2=165-2=163;](https://tex.z-dn.net/?f=frac%7B81%7D%7B9%7D%2B26%2A6-frac%7B144%7D%7B72%7D%3D9%2B156-2%3D165-2%3D163%3B)
2.![4*18-9-frac{32}{8}+111*8=72-9-4+888=72+888-9-4=960-13=947; 4*18-9-frac{32}{8}+111*8=72-9-4+888=72+888-9-4=960-13=947;](https://tex.z-dn.net/?f=4%2A18-9-frac%7B32%7D%7B8%7D%2B111%2A8%3D72-9-4%2B888%3D72%2B888-9-4%3D960-13%3D947%3B)
3.![(frac{25*3}{15})(frac{48*2}{16})=(frac{25*1}{5})(frac{48*1}{8})=(frac{5*1}{1})(frac{6*1}{1})=5*6=30; (frac{25*3}{15})(frac{48*2}{16})=(frac{25*1}{5})(frac{48*1}{8})=(frac{5*1}{1})(frac{6*1}{1})=5*6=30;](https://tex.z-dn.net/?f=%28frac%7B25%2A3%7D%7B15%7D%29%28frac%7B48%2A2%7D%7B16%7D%29%3D%28frac%7B25%2A1%7D%7B5%7D%29%28frac%7B48%2A1%7D%7B8%7D%29%3D%28frac%7B5%2A1%7D%7B1%7D%29%28frac%7B6%2A1%7D%7B1%7D%29%3D5%2A6%3D30%3B)
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