Question

please solve this problems with steps​

Answer 1

Answer:

● 3/70×21

= 3/10×3

=0.9

●25 2/3×5

=77×5

=385

●

Answer 2

Answer:

1 ○

$\frac{3}{70} \times 21 = \frac{9}{10}$

2 ○

$25 \frac{2}{3} \times 5 = \frac{250}{3}$

3○

$18 \frac{2}{3} \div 4 \frac{1}{2} = 6$

4○

$\frac{3}{4} + \frac{4}{7} \times \frac{1}{2} = \frac{29}{28}$

5○

$1 + \frac{3}{4} \div 1 \times \frac{1}{2} \times 2 \times \frac{1}{3} - \frac{1}{2} \times \frac{1}{3} = \frac{13}{12}$

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