(-2 2/3- 2 4/21)÷17/21+5,1. Created by alinkamalinka53. matematika-ru

21+5,1...

August 2022 1 8 Report

(-2 2/3- 2 4/21)÷17/21+5,1

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vikashum1 1. (-2 2/3-2 4/21):17/21+5,1
1) -2 2/3-2 4/21=-8/3-46/21=-8*7/21-46*1/21=-56/21-46/21=-102/21=-34*3/7*3=-34/7=-4 6/7
2)-4 6/7: 17/21= -34*21/7*17=-714/119=-6*119/1*119=-6/1=-6
3) -6+5,1=-0,9
Ответ: -0,9

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