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To lock your PC in a Windows 10 operating system Windows logo key + L shortcut is used. Press and hold the Windows logo key on your keyboard (this key should appear next to the Alt key), and then press the L key.
1300% of 2341 + 1200% of 6321 = ?
17.5% of 400 – 24% of 150 = ?
√14400 x √8100 - (60)² = ? + (80)²
464 + 181 +? = (154 × 25) - (15) 2
42 + 52% of 300 - ?% of 200 = 88
?2 × 25 = 42 × 21 + 172
The value of 15 × 14 – 30 + (32 + 17) is:
(13)2 + 6 × (19)2 – 312 × 4 = ?