Question

10 1/3 : 4/21
3 7/12 : 1 5/14
7 1/8 : 4 3/4
3 1/2 : 2 3/8

Answer 1

Ответ:

Пошаговое объяснение:

10 1/3 ÷4/21=31/3 ·21/4=(31·7)/4=217/4=54,25

3 7/12 ÷5/14=43/12 ·14/5=(43·7)/(6·5)=301/30=10 1/30

7 1/8 ÷4 3/4=57/8 ·4/19=3/2=1,5

3 1/2 ÷2 3/8=7/2 ·8/19=(7·4)/19=28/19=1 9/19

Answer 2

Пошаговое объяснение:

10 1/3:4/21=31/3:4/21=31/3×21/4=

=31/1×7/4=217/4=54,25

3 7/12:1 5/14=43/12:19/14=43/12×14/19=

=43/6×7/19=301/114=2 73/114

7 1/8:4 3/4=57/8:19/4=57/8×4/19=

=3/2×1/1=3/2=1,5

3 1/2:2 3/8=7/2:19/8=7/2×8/19=28/19=

=1 9/19