23: 2 1/4 - 3,7 ×5/8=
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bantu jawab!
[tex] \tt23 \div 2 \frac{1}{4} - 3.7 \times \frac{5}{8} [/tex]
[tex] \tt= \frac{23}{1} \div \frac{9}{4} - \frac{37}{10} \times \frac{5}{8} [/tex]
[tex] \tt = \frac{23 \times 4}{1 \times 9} - \frac{37 \times 5}{10 \times 8} [/tex]
[tex] \tt = \frac{92}{9} - \frac{185}{80} [/tex]
[tex] \tt = \frac{92 \times 80}{9 \times 80} - \frac{185 \times 9}{80 \times 9} [/tex]
[tex] \tt = \frac{7360}{720} - \frac{1665}{720} [/tex]
[tex] \tt = \frac{5695}{720} = 7 \frac{131}{144} [/tex]
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