5 2/4 × 1 1/2 - 0,15
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[tex] 5\frac{2}{4} \times 1 \frac{1}{2} - 0.15[/tex]
[tex] = \frac{22}{4} \times \frac{3}{2} - \frac{15}{100} [/tex]
[tex] = \frac{22 \times 3}{4 \times 2} - \frac{15}{100} [/tex]
[tex] = \frac{66}{8} - \frac{15}{100} [/tex]
[tex] = \frac{66 \times 25}{8 \times 25} - \frac{15 \times 2}{100 \times 2} [/tex]
[tex] = \frac{1650}{200} - \frac{30}{200} [/tex]
[tex] = \frac{1620}{200} = 8 \frac{1}{10} [/tex]
#Cmiiw
5 2/4×1 1/2-15/100
11/2×3/2-3/20
33/4-3/20
165/20-3/20
162/20
8 1/10
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