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-4/5 + 2 1/4

-4/5 + 2 1/4

This is an arithmetic problem involving the addition of a negative fraction and a mixed number. The user needs to find a common denominator to add the fractions.

-48 × (1 - 1/12 + 3/4)

-48 × (1 - 1/12 + 3/4)

This is an arithmetic problem involving multiplication and subtraction of fractions and integers. The user needs to simplify the expression inside the parentheses first.

0.5 × 2^2 - (-3)^2

0.5 × 2^2 - (-3)^2

This is an arithmetic problem involving exponents, multiplication, and subtraction. The user needs to evaluate the exponents first, then perform the multiplication and subtraction.

1/12 ÷ (-1/3 + 3/4)

1/12 ÷ (-1/3 + 3/4)

This is an arithmetic problem involving division and addition of fractions. The user needs to simplify the expression inside the parentheses first, then perform the division.

(-2)^3 × (-3/8) - (-2