a)5/2-9/4=10/4-9/4=1/4
1/7+1/4=4/28+7/28=11/28
11/28:1/16=11/28×16/1=44/7=6intreg si2/7
9intreg2/3×6intreg si 2/7=28/3×44/7=58intreg si 2/3
b)11/2-11/4=22/4-11/4=11/4
11/4:11/8=11/4×8/11=8
1/4+8=8 intregi si 1/4
4/3×8intregi si 1/4=4/3×33/4=33
posteaza ca cel mai bun raspuns please:)
