Մաթեմատիկա տնային

  • Մաթեմ երկու

Հաշվե՛ք

-8/5x (-25/64) = 8×25/5×64= 200/320=10/16=5/8

11 7/9 x 1/5 = 106/9 x 1/5 = 106/45 = 2 16/45

-7 41/50 x (-1/4) = 391×1/50×4=391/200 = 1 191/200

-9/10 x 5/7=-45/70=9/14

14/15 x (-35/63)=-14×35/15×63=2×7/3×9=-14/27

12 2/3 x (-6/11)=-36/3 x 6/11 =216/33=6 18/33= 6 6/11

Հաշվե՛ք

-1 4/5 x (-8 3/7)=-9/5 x 59/7 =-531/35=-15 6/35

-4 6/7 x 8/9 =-34/7 x 8/9 = -272/63=-4 20/63

9 4/9 x (-8 14/15) =- 85/9 x 134/15 =-17/9 x 134/3 =-2278/27=-84 10/27

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