Question

Scrie: 5 adunări
5 scăderi
5 înmulțiri
5 împărțiri
După modelul/exemplul dat: ​

Answer 1

Răspuns:

Adunari: 4/5+4/5=8/5;6/7+4/7=10/7;7/3+7/3=14/3;2/2+3/2=5/2;8/5+8/5=16/5

Scăderi: 5/2-4/2=1/2,7/3-5/3=2/3;6/7-2/7=4/7;9/8-8/8=1/8;7/3-6/3=1/3

înmultiri: 2/3×6/4=4/2=2; 5/2×3/4=15/8;6/2×3/5=18/30=3/10;7/2×5/7=5/2;2/4×7/3=14/12=7/6

Împartiri: 10/5:5/10=10/5×10/5=1; 7/3:3/7=7/3×7/3=1;5/2:2/5=5/2+5/2=1;4/3:3/4=4/3×4/3=1;6/7:7/6=6/7×6/7=1