882 Ա -5․ 4/7 Բ  -22/5 + 8/5= -14/5 Գ-3 4/6= -22/6 Դ. 35/9 + 43/9= 78/9 Ե -61/8 + 79/8 = +28/8 Զ -23/4 — 25/4=-48/4=-12/1=-12 883.1/4

903. 20x15x6.5=1950 7×5+4=39/5 39/5×100/1=3900/5=780սմ 780x780x780=474552000 474552000:1950=243360 905 Ա) 4 Բ) 1/2-3/2=-2/2=-1 906. Ա -91/88 Բ -12/5-19/5=-31/5 -31/5 x 27/6=-837/30 907. 2/6 909. I=26 II=x:3 III=x x+x/3+26=62 62-26=x+x/3 36=x+x/3 x=27 I=26 II=27 III=9      

https://docs.google.com/document/d/1-nK95xVH4tQEmtH3U99S3PFAPJ6nbNSoQPM2rlmKUsQ/edit?usp=sharing

https://docs.google.com/document/d/1nc8Ry6A-5Pe6eGw3UeX-kYT97tAMuAT_-_tKAu7LAEk/edit?usp=sharing

https://docs.google.com/document/d/1syKccjKU3wM7K_8nYD155W-zSsArt-w8qTiZal2tYxg/edit?usp=sharing

781 ա 28 11/20 բ 3797/90 գ 233/111 դ -18 13/20 ե -44/10 ձ 9 1/20 է 1 18/25 ը -26 9/25 թ -13/63

https://docs.google.com/document/d/1XfrocdoG5gXGM7i_hm28iT4zL8SLj8phcIZoE26SZPg/edit?usp=sharing

https://docs.google.com/document/d/11Huzh_RHtxLw8UEErxqgHitE4Svy9bvUao3jaH8eltc/edit?usp=sharing

https://docs.google.com/document/d/1aQ3rdBq10EB4fWq9NBQIQXtmdZ4LHYzsPiLLH5OD31o/edit?usp=sharing