Selesaikan left(88-90.875right)^2+left(94-90.875right)^2+left(93-90.875right)^2+left(90-90.875right)^2+{left(91-90.875right)}^2+{left(94-90.875right)}^2+{left(90-90.875right)}^2+{left(87-90.875right)}^2

$${ \left(88-90.875 \right) }^{ 2 } + { \left(94-90.875 \right) }^{ 2 } + { \left(93-90.875 \right) }^{ 2 } + { \left(90-90.875 \right) }^{ 2 } + { \left(91-90.875 \right) }^{ 2 } + { \left(94-90.875 \right) }^{ 2 } + { \left(90-90.875 \right) }^{ 2 } + { \left(87-90.875 \right) }^{ 2 }$$

Nilaikan

$$48.875$$

Langkah Penyelesaian

Tolak 90.875 daripada 88 untuk mendapatkan -2.875.

$$\left(-2.875\right)^{2}+\left(94-90.875\right)^{2}+\left(93-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Kira -2.875 dikuasakan 2 dan dapatkan 8.265625.

$$8.265625+\left(94-90.875\right)^{2}+\left(93-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tolak 90.875 daripada 94 untuk mendapatkan 3.125.

$$8.265625+3.125^{2}+\left(93-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Kira 3.125 dikuasakan 2 dan dapatkan 9.765625.

$$8.265625+9.765625+\left(93-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tambahkan 8.265625 dan 9.765625 untuk dapatkan 18.03125.

$$18.03125+\left(93-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tolak 90.875 daripada 93 untuk mendapatkan 2.125.

$$18.03125+2.125^{2}+\left(90-90.875\right)^{2}+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Kira 2.125 dikuasakan 2 dan dapatkan 4.515625.

$$18.03125+4.515625+\left(90-90.875\right)^{2}+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tambahkan 18.03125 dan 4.515625 untuk dapatkan 22.546875.

$$22.546875+\left(90-90.875\right)^{2}+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tolak 90.875 daripada 90 untuk mendapatkan -0.875.

$$22.546875+\left(-0.875\right)^{2}+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Kira -0.875 dikuasakan 2 dan dapatkan 0.765625.

$$22.546875+0.765625+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tambahkan 22.546875 dan 0.765625 untuk dapatkan 23.3125.

$$23.3125+\left(91-90.875\right)^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tolak 90.875 daripada 91 untuk mendapatkan 0.125.

$$23.3125+0.125^{2}+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Kira 0.125 dikuasakan 2 dan dapatkan 0.015625.

$$23.3125+0.015625+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tambahkan 23.3125 dan 0.015625 untuk dapatkan 23.328125.

$$23.328125+\left(94-90.875\right)^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tolak 90.875 daripada 94 untuk mendapatkan 3.125.

$$23.328125+3.125^{2}+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Kira 3.125 dikuasakan 2 dan dapatkan 9.765625.

$$23.328125+9.765625+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tambahkan 23.328125 dan 9.765625 untuk dapatkan 33.09375.

$$33.09375+\left(90-90.875\right)^{2}+\left(87-90.875\right)^{2}$$

Tolak 90.875 daripada 90 untuk mendapatkan -0.875.

$$33.09375+\left(-0.875\right)^{2}+\left(87-90.875\right)^{2}$$

Kira -0.875 dikuasakan 2 dan dapatkan 0.765625.

$$33.09375+0.765625+\left(87-90.875\right)^{2}$$

Tambahkan 33.09375 dan 0.765625 untuk dapatkan 33.859375.

$$33.859375+\left(87-90.875\right)^{2}$$

Tolak 90.875 daripada 87 untuk mendapatkan -3.875.

$$33.859375+\left(-3.875\right)^{2}$$

Kira -3.875 dikuasakan 2 dan dapatkan 15.015625.

$$33.859375+15.015625$$

Tambahkan 33.859375 dan 15.015625 untuk dapatkan 48.875.

$$48.875$$

Faktor

$$\frac{17 \cdot 23}{2 ^ {3}} = 48\frac{7}{8} = 48.875$$