1)1/14•2/5-1/3 2)5/6: 1/3+1 3/8 3)2 1/3: 1 5/9-5/6 - вопрос №70502841114251325613138321315956 от thgWedMwe 15.09.2021 15:36

Question

Математика: 1)1/14•2/5-1/3 2)5/6: 1/3+1 3/8 3)2 1/3: 1 5/9-5/6 выполните действия

thgWedMwe · Answer

1)1/14•2/5-1/3 1/14×2/5=1/351/35-1/3=3/105-35/105= -32/1052)5/6:1/3+1 3/8 5/6:1/3=5/6×3/1=5/2=2 1/22 1/2+1 3/8=5/2+11/8=20/8+11/8=31/8=3 7/83)2 1/3:1 5/9-5/62 1/3:1 5/9=7/3:14/9=7/3×9/14=3/23/2-5/6=9/6-5/6=4/6=2/3...