Question

Помогите пожалуйста)

Answer 1

Пошаговое объяснение:

а)6/7×7/9= 2×1/1×3=2/3

в) 8/9×7/16=8×7/9×16=1×7/9×2=7/18

г)3/7×2/1=3×2/7×1=6/7

д)15/16×4/5=15×4/16×4=15/16

е)6/1×7/9=6×7/1×9=14/3=4целых2/3

316

а)1/2÷3/4=1/2×4/3=1×4/2×3=2/3

б)11/12÷5/9=11/12×9/5=11×9/12×5=11×3/4×5=33/20=1целая13/20

в)12/13÷4/5=12/13×5/4=12×5/13×4=4×5/13×1=20/13=1целая7/13

г)15/16÷5/7=15/16×7/5=15×7/16×5=3×7/1×16=21/16=1целая5/16

д)1/2÷7/8=1/2×8/7=1×8/2×7=1×4/1×7=4/7

е)14/11÷2/3=14/11×3/2=14×3/11×2=7×3/11×1=21/11=1целая10/11