889x2=1778

5689 x 4=22756

2873 x 8=22984

4638 x 7=32466

889 x 2 = 1778

5689 x 4 = 22756

2873 x 8 = 22984

4638 x 7 = 32466

_{^{a, A = ( 2007 - 1969 )}}

_{^{= (2000 - 1969) + 7}}

_{^{= 31 + 7 = 38}}

_{^{b, 5689 - ( x - 2008 )}}

_{^{= 5989 - x + 2008}}

Có 1 vế sao tính??

_{^{c, 475 : 5 + 120 : 5 - 195 : 5}}

_{^{= (475 + 120 - 195):5}}

_{^{= 400:5=80}}

_{^{d, 432 : 6 - 234 : 6 + 102 : 6}}

_{^{= (432 + 102 - 234):6}}

= 300:6

=50

a) 2412787

b) 55543

x +2354 =10250

x=  10250 - 2354  

x = 7896

x - 568 = 5689

x = 5689 + 568  

x = 6257

56140 - x  = 6897

x = 56140 -  6897

x = 49243 

56 x  = 4032

x =  4032 : 56 

x = 72

x : 536 = 86

x = 86 x 536

x = 46096

145706 : x = 358

x = 145706 : 358

x= 407

x + 2354 = 10250

x = 10250 - 2354 = 7896

x - 568 = 5689

x = 5689 + 568 = 6257

56140 - x  = 6897

x = 56140 - 6897 = 49243

56 * x = 4032

x = 4032 : 56 = 72

 x : 536 = 86

x = 86 * 536 = 46096

145706 : x = 358

x = 145706 : 358 = 407

x + 3426 = 5689

x            = 5689 - 3426

x            = 2263

k cho mk nhé,kb luôn

x + 3426 = 5689

x            = 5689 - 3426

x            = 2263

= 968,934

78,934+890 = 968,934

789,46+5689= 6478,46

234789+76,6895=234867,6895

956+89056,9=90012,9

8956,69+5689=14645,69

1717/2610 ban nhe k di

1717/2610

a,19637 b,7391 c,27900 d,66248 e,964249 g,62156

a)   \(5^6\)

b)    \(7^7\)

A) 5 x 5 x 5 x 5 x 5 x 5 

= 5⁶

b ) 7 x 7 x 7 x 7 x 7 x 7 x 7

= 7⁷