((1 \div 2)(1000)(.08)( { 1.4 }^{ 2 } )
Enrhifo
78.4
Ffactor
\frac{2 ^ {3} \cdot 7 ^ {2}}{5} = 78\frac{2}{5} = 78.4
Rhannu
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\frac{1000}{2}\times 0.08\times 1.4^{2}
Lluosi \frac{1}{2} a 1000 i gael \frac{1000}{2}.
500\times 0.08\times 1.4^{2}
Rhannu 1000 â 2 i gael 500.
40\times 1.4^{2}
Lluosi 500 a 0.08 i gael 40.
40\times 1.96
Cyfrifo 1.4 i bŵer 2 a chael 1.96.
78.4
Lluosi 40 a 1.96 i gael 78.4.
Enghreifftiau
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