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This option correctly uses the present perfect continuous tense to indicate an ongoing action that started in the past (Monika learning French) and is still in progress.
62 + 43 + 625(1/4) - ? = 102
(1/5)(40% of 800 – 120) = ? × 5
(21% of 360) ÷ 0.8 =?
1440 ÷ 12 + 540 ÷ √36 + ? = 180 * 3
Evaluate:
√729 + √49 - √16 + 1/√64
(2500 ÷ √625) × √(42.25) = ? ÷ 4
641.5 + 72 × 8 = ? × 4
1/6+ 999*53/54 ×9 = ?
24% of 75 + 36% of 100 = ?% of 180
{5% of (20 × 25) + 6% of (30 ×35)} ÷ 11 = ?