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46 - [26 - {14 - (15 - 4 ÷ 2 x 2)}]
Concept: undefined >> undefined
45 – [38 – {60 ÷ 3 – (6 – 9 ÷ 3) ÷ 3}]
Concept: undefined >> undefined
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`17- [17 — {17 — (17 –bar(17 - 17))}]`
Concept: undefined >> undefined
`2550 – [510 – {270 – (90 – bar(80 + 7))}]`
Concept: undefined >> undefined
`30 + [{ - 2 xx (25 - bar(13 - 3))}]`
Concept: undefined >> undefined
`9 xx (8 - bar(3 + 2)) - 2(2 + bar(3 + 3))`
Concept: undefined >> undefined
`2 – [3 – {6 – (5 – bar(4 - 3))}]`
Concept: undefined >> undefined
If `x × (-1) = -36`, is x positive or negative?
Concept: undefined >> undefined
If `x × (-1) = 36`, is x positive or negative?
Concept: undefined >> undefined
Write all the integers between -15 and 15, which are divisible by 2 and 3.
Concept: undefined >> undefined
Write all the integers between -5 and 5, which are divisible by 2 or 3.
Concept: undefined >> undefined
Evaluate: (-20) + (-8) ÷ (-2) × 3
Concept: undefined >> undefined
Evaluate: (-5) – (-48) ÷ (-16) + (-2) × 6
Concept: undefined >> undefined
Evaluate: 27 – [5 + {28 – (29 – 7)}]
Concept: undefined >> undefined
Evaluate: `48-[18-{16-(5 –bar(4 + 1))}]`
Concept: undefined >> undefined
Evaluate: -8 – {- 6 (9 – 11) + 18 ÷ -3}
Concept: undefined >> undefined
Evaluate: `(24 ÷ bar(12 - 9) - 12) - (3 xx 8 = 4 + 1)`
Concept: undefined >> undefined
