Question

помогите срочно пжжж




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Answer 1

Ответ:

Пошаговое объяснение:

1. 3/2×4/3×5/4×6/5×7/6=7/2; 7/2-1/2=6/2=3

2. 5/4×6/5×7/6×8/7×9/8=9/4; 9/4-1/4=8/4=2

3. 5/2×7/5×9/7×11/9×13/11=13/2; 13/2+1/2=14/2=7;

4. 7/3×11/7×15/11×19/15×23/19=23/3; 23/3-2/3=21/3=7

Answer 2

Пошаговое объяснение:

1)=3/2×4/3×5/4×6/5×7/6-1/2=1/2×1/1×1/1×1/1×7/1-1/2=7/2-1/2=6/2=3

2)=5/4×6/5×7/6×8/7×9/8-1/4=1/4×1/1×1/1×1/1×9/1-1/4=9/4-1/4=8/4=2

3)=5/2×7/5×9/7×11/9×13/11+1/2=1/2×1/1×1/1×1/1×13/1+1/2=13/2+1/2=14/2=7

4)=7/3×11/7×15/11×19/15×23/19-2/3=1/3×1/1×1/1×1/1×23/1-2/3=23/3-2/3=21/3=7