Bilangan Matematika · SD medium
Hasil dari 2,4×58:2122{,}4 \times \frac{5}{8} : 2\frac{1}{2}2,4×85:221 adalah ....
B
125×58=32\frac{12}{5}\times\frac58=\frac32512×85=23; lalu 32:52=35\frac32:\frac52=\frac3523:25=53.
2,4=1252{,}4=\frac{12}{5}2,4=512. 125×58=32\frac{12}{5}\times\frac58=\frac{3}{2}512×85=23. Kemudian 32:212=32×25=35\frac32:2\frac12=\frac32\times\frac25=\frac3523:221=23×52=53. Jawabannya B.
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