Tolong kak plisssss​

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Tolong kak plisssss​

Tolong kak plisssss​

Jawaban:

a. 4

b. 27

c. 5/4

Penjelasan dengan langkah-langkah:

a. 1¼ × 3⅕

= (4×1)+1 × (3×5)+1

= 5/4 × 16/5

Perkalian Silang

= 1/1 × 4/1

= 4/1

= 4

b. 4⅕ × 6 3/7

= (5×4)+1 × (6×7)+3

= 21/5 × 45/7

Perkalian Silang

= 3/1 × 9/1

= 27/1

= 27

c. ⅔ × 3⅜ × 5/9

= ⅔ × (3×8)+3 × 5/9

= ⅔ × 27/8 × 5/9

Perkalian Silang

= 1/1 × 1/4 × 5/1

= 5/4

Jawaban:

a. : frac{1}{4} times 3 frac{1}{5} = \ frac{1}{4} times frac{16}{5} = \ frac{16}{20} = frac{4}{5}