Question

найлите значения выражения а) 1/2+5/8=?

                                                           б)3/4-1/2=?

                                                            д)5/9-5/12=?

                                                               

Answer 1

а)1/2+5/8=4/8+5/8=9/8=1 1/8
б)3/4-1/2=3/4-2/4=1/4
в)5/9-5/12=20/36-15/36=5/36

Answer 2

12+58=1целая 18
34-12=14
58-512=536