А)(3/4+1/6)*3+(5/6-1/2): 2/9 б) (1 1/5+2 3/10): 1/2+(6 - вопрос №532928934163561229115231012634223116 от tcacencoanastap08j8v 23.06.2020 13:47

Question

Математика: А)(3/4+1/6)*3+(5/6-1/2): 2/9 б) (1 1/5+2 3/10): 1/2+(6 3/4-2 2/3): 1 1/6

tcacencoanastap08j8v · Answer

а) (3/4+1/6)*3+(5/6-1/2)÷2/9=4 1/41)3/4+1/6=9/12+2/12=11/122)5/6-1/2=5/6-3/6=2/6=1/33)11/12*3=11/4=2 3/44)1/3÷2/9=1/3×9/2=3/2=1 1/25)2 3/4+1 1/2=2 3/4+1 2/4=3 5/4=4 1/4б)(1 1/5+2 3/10)÷1/2+(6 3/4-2 2/3)÷1 1/6=19 3/81)1 1/5+2 3/10=1 2/10+2 3/10=3 5/10=3 1/22)6 3/4-2 2/3=6 9/12-2 8/12=4 1/123)1/2÷1/2=1/2×2/1=14)4 1/12÷2/9=49/12×9/2=49/4×3/2=147/8=18 3/85)1+18 3/8=19 3/8...