1. 3,4 × 2 1/8 =.....2. 2 3/4 × 1,5 =.....3. 1 3/4 × 1,25 =.....

1. 3,4 × 2 1/8 =…..2. 2 3/4 × 1,5 =…..3. 1 3/4 × 1,25 =…..

Jawaban:

1).

$3.4 times 2 frac{1}{8} = \ frac{34}{10} times frac{17}{8} = \ frac{34 times 17}{10 times 8} = \ frac{578}{80} = 7 frac{18}{80} = \ 7 frac{9}{40}$

2).

$2 frac{3}{4} times 1.5 = \ frac{11}{4} times frac{15}{10} = \ frac{11 times 15}{4 times 10} = \ frac{165}{40} = 4 frac{5}{40} = \ 4 frac{1}{8}$

3).

$1 frac{3}{4} times 1.25 = \ frac{7}{4} times frac{125}{100} = \ frac{7 times 125}{4 times 100} = frac{875}{400 } = 2 frac{75}{400} = \ 2 frac{15}{80} = 2 frac{3}{16}$