Halo kkk mohon bantuan nya yaa soal kelas 5 sd ya​

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Halo kkk mohon bantuan nya yaa soal kelas 5 sd ya​

Halo kkk mohon bantuan nya yaa soal kelas 5 sd ya​

Penyelesaian

1. 5 1/4 x 12/5

= 21/4 x 12/5

= 252/20

= 12 12/20

= 12 6/10

= 12 3/5

2. 81/5 x 0,4

= 81/5 x 4/10

= 405/50

= 8 5/50

= 8 1/10

3. 44,05 x 5,2

= 4405/100 x 52/10

= 229.060/1000

= 2290 60/100

= 2290 6/10

4. 1,1 x 1 2/5

= 11/10 x 7/5

= 77/50

= 1 27/50

5. 4,76 : 1 2/5

= 476/100 : 7/5

= 476/100 x 5/7

= 2380/700

= 3,4

Penjelasan dengan langkah-langkah:

5 frac{1}{4} times frac{12}{5}

= frac{21}{4} times frac{12}{5}

= frac{252}{20}

= frac{63}{5}

= 12 frac{3}{5}

.

frac{81}{5} times 0.4

= frac{81}{5} times frac{4}{10}

= frac{324}{50}

= frac{162}{25}

= 6 frac{12}{25}

.

44.05 times 5.2

= 229.06

= frac{22906}{100}

= frac{11453}{50}

= 229 frac{3}{50}

.

1.1 times 1 frac{2}{5}

= frac{11}{10} times frac{7}{5}

= frac{77}{50}

= 1 frac{27}{50}

.

4.76 div 1 frac{2}{5}

= frac{476}{100} div frac{7}{5}

= frac{476}{100} times frac{5}{7}

= frac{2.380}{700}

= frac{17}{5}

= 3 frac{2}{5}