Нормер 1 а) 3/5*1/2 = б) 2 1/4*5/18 = в) 3/4*6 = Номер 2 а)3/10 : 2/7 = в) 10 : 1 1/4= Номер 3 (2 2/5) и 2 в квадрате. Created by Angelok5778. matematika-ru

5) и 2 в квадрате...

July 2022 2 20 Report

Нормер 1
а) 3/5*1/2 =
б) 2 1/4*5/18 =
в) 3/4*6 =
Номер 2
а)3/10 : 2/7 =
в) 10 : 1 1/4=
Номер 3
(2 2/5) и 2 в квадрате

YourHomer А) 3/5*1/2= 3/10 = 0,3
Б) 9/4*5/18= 1/4*5/2= 5/8= 0,625
В) 3/4*6= 3/2* 3= 9/2= 4 1/2= 4,5
А) 3/10:2/7= 3/10*7/2= 21/20= 1 1/20= 1,05
Б) 10:5/4= 10*4/5= 2*4=8
В) 12/5*12/5= 144/25= 5,76

2 votes Thanks 3

Evgenia4836

Verified answer

1.а) $\frac{3}{5}* \frac{1}{2} = \frac{3}{10} = 0.3$
б) $2 \frac{1}{4} * \frac{5}{18} = \frac{9*5}{72} = \frac{45}{72}$
в) $\frac{3}{4} *6 = \frac{18}{4} =4,5$
2.а) $\frac{3}{10} : \frac{2}{7} = \frac{3*7}{10*2} = \frac{21}{20} =1.05
$
б) $10 : 1 \frac{1}{4} = 10 : \frac{5}{4} = \frac{10*4}{5} = \frac{40}{5} =8$
в) $( 2\frac{2}{5} )^{2} = ( \frac{12}{5})^{2} = \frac{144}{25} =5.76$

3 votes Thanks 2

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