Evaluating Algebraic and Fraction Expressions Without a Calculator
Evaluating Algebraic and Fraction Expressions Without a Calculator
Secondary 1
Without the use of a calculator, evaluate the following.
- \([30+2\times (-3)^{2}]\div 4-(3\times 2-4)\)
- \(\frac{3-(-15)-9+2(-20+27)}{2+3}\)
- \(3\frac{1}{2}\times 7\frac{1}{3}+\left( -1\frac{1}{8}\div 2\frac{1}{4} \right)\)
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Answer:(a) \(10\) (b) \(4\frac{3}{5}\) (c) \(25\frac{1}{6}\)
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