Evaluate
-20\sqrt{2}\approx -28.284271247
Quiz
Arithmetic
5 problems similar to:
20 \sqrt { 2 } - 30 \sqrt { 2 } + 10 \sqrt { 2 } - 20 \sqrt { 2 } =
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-10\sqrt{2}+10\sqrt{2}-20\sqrt{2}
Combine 20\sqrt{2} and -30\sqrt{2} to get -10\sqrt{2}.
-20\sqrt{2}
Combine -10\sqrt{2} and 10\sqrt{2} to get 0.
Examples
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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Limits
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