Question

Амалдарды есепте 726

Answer 1

Ответ:

1) -12

2) -23

3) -11

4) 13/2

Пошаговое объяснение:

1)

5/2×(2/15-23/6)-11/4

5/2×(-37/10)-11/4

-5/2×37/10-11/4

-1/2×37/2-11/4

-37/4-11/4

-12

2)

-8/7×7/4×((6+4)+(5/6+2/3))

-8/7×7/4×(10+3/2)

-8×1/4×(10+3/2)

-2(10+3/2)

-2(10+ 1 1/2)

-2(10+1+1/2)

-2(11+1/2)

-2×11 1/2

-2×23/2

-23

3)

(51/8-11/4)×(-4)+7/2

29/8×(-4)+7/2

-29/8×4+7/2

-29/2+7/2

-11

4)

55/6÷(13/8 -8)+24×3/8

55/6÷(13/8 -8)+3×3

55/6÷(-11/3)+9

-55/6÷11/3+9

-55/6×3/11+9

-5/6×3+9

-5/2+9

13/2

Answer 2

Пошаговое объяснение:

1) ...;

5/2(2/15-23/6)-11/4;

5/2(4/30-115/30)-11/4;

5/2(-111/30)-11/4;

5/2(-37/30)-11/4;

-185/20-11/4;

-37/4-114-48/4;

-12.

2)....;

-8/7(16/20+19/20)*(41/6+14/3);

-8/7(35/20)*(41/6+28/6);

-8/7(7/4)*(69/6);

(-8)/4*69/6;

-2*69/6;

-2*(23/2);

-23.

3)....;

(51/8-11/4)*(-4)+7/18*9;

(51/8-22/8)*(-4)+7/18*9;

29/8*(-4)+7/18*9;

(-116)/8+7/18*9;

(-29)/2+7/18*9;

(-29)/2+63/18;

(-29)/2+7/2;

(-22)/2;

-11.

4)....;

55/6:13/3-8+24*3/8;

55/6:(13/3-24/3)+24*3/8;

55/6:(-11)/3+24*3/8;

55/6*3/(-11)+24*3/8;

(-165)/66+24*3/8;

(-5)/2+72/8;

(-5)/2+9;

-5/2+18/2;

13/2.