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The error is in the segment "the students to review their notes." The correct form should be "the students review their notes." When using "recommended that," the verb that follows should be in its base form (without "to"). Therefore, it should be "the students review their notes" instead of "the students to review their notes."
18 × √225 + 378 ÷ √441 = ? × 9
x= √(4 × ∛(16 × √(4 × ∛(16 ×…… ∝)) ) )
√? + √1296 + √729 = 464/4
Evaluate: (768÷16)×(125÷25)−(81÷9)×12
15.8% of 9000 + 20.4% of 7500 = 30% of ?
`(450 -: ?)/(2.5 xx 1.2)` = 250
(15 × 16) + 242= ? × 16
(43)² - (28)² + (32)² = ?% of 2500
Find the HCF of 15x2 + 8x – 12, 3x² + x – 2, 3x² - 2x, 9x² - 12x + 4