Элемент. математика Примеры

$212 - 107$

Step 1

Round $212$ to $200$ .

$200 - 107$

Step 2

Round $- 107$ to $- 100$ .

$200 - 100$

Step 3

Subtract $100$ from $200$ .

$100$

Step 4

The approximate value of $212 - 107$ found by front end estimation.

$212 - 107 \approx 100$

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$