a: \(=24\left(25+37+38\right)=2400\)

\(3.25.8+4.37.6+2.38.12\\ =\left(3.8\right).25.\left(4.6\right).37.\left(2.12\right).38\\ =24.25.24.37.24.38\\ =24.\left(25+37+38\right)\\ =24.100\\ =2400\)

a: \(=24\left(25+37+38\right)=2400\)

a) 

136.

$48+16.272+68.20.2$

$=136.48+16.2.136+68.2.20$

$=136.48+32.136+136.20$

$=136.(48+32+20)$

$=136.100$

$=13600$

a) 37.75+37.45+63.67+63.53

= 37.(75 + 45) + 63.(67 + 53)

= 37 . 120 + 63 . 120

= 120 . (37 + 63)

= 120 . 100

= 12 000

 3.25.8+4.37.8+2.38.12

=(3.8).25+(4.8).37+(2.12).38

=24.25+32.37+24.38

=24.(25+38)+32.37

=24.63+32.37

=1512+1184

=2696

Trần Quốc Danh nói hay đấy

= 2400

= 2400

3.25.8 + 4.37.6 + 2.3812 - 24.25 + 24.37 + 24.38

= 24.(25 + 37 + 38) = 2400

3*25*8+4*37*6+2*38*12=24*25+24*37+24*38=24*(25+37+38)=24*100=2400

3.25.8+4.6.37+2.38.12

<=> 24.25+24.37+24.38

<=> 24.(25+37+38)

<=> 24.100

<=> 2400

a, 35.34 + 35.86 + 65.75 + 65.75 

= 35.(34 + 86) + 75.(65 + 65) 

= 35.120 + 75.130 

= 4200 + 9750

= 13950

b, 3.25.8 + 4.37.6 + 2.38.12 

= 24.25 + 24.37 + 24.38 

= 24.(25 + 37 + 38)

= 24. 100

= 2400 

c,66.25 + 5.66 + 66.14 + 33.66

= 66 . (25 + 5 + 14 + 33) 

= 66 .77

=5082

d, 48 .19 + 48.115 + 134.52 

= 48 . (19 + 115) + 134.52 

= 48 . 134 + 134.52 

= 134 . (48 + 52) 

= 134 . 100 

= 13400

35.34+35.85+75+65.75

=13950

3.25.8+4.37.6=2.38.12

=2400

66.25+5.66+66.14+33.66

=5082

48.19=48.115+134.52

=13400

hok tốt

=600+888+912=2400                        

kết quả là 2400 

k cho mình nha bạn