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никто184
@никто184
October 2021
1
3
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30-((8целых3/4-6целых1/2):1/8+11целых3/7
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Igornatev
1)преобразуем сразу все дроби:
8 3/4=(3+8×4)4=35/4
6 1/2=(1+6×2)/2=13/2
11 3/7=(3+11×7)/7=80/7
2)решаем в скобках:
35/4-13/2=35/4-26/4=9/4
3)9/4:1/8=9/4×8/1=9×2=18
4)30-18=12
5)12+80/7=84/7+80/7=164/7=23 3/7
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Answers & Comments
8 3/4=(3+8×4)4=35/4
6 1/2=(1+6×2)/2=13/2
11 3/7=(3+11×7)/7=80/7
2)решаем в скобках:
35/4-13/2=35/4-26/4=9/4
3)9/4:1/8=9/4×8/1=9×2=18
4)30-18=12
5)12+80/7=84/7+80/7=164/7=23 3/7