tinh
3/5 tru 1/15 nhan 10/13
[6 nhan 8 tru 48] ;[10 + 11 + 12 + 13 + 14 + 15]
cho s -4 phan1 nhan 4 phan 5 tru cho 4 phan 5 nhan bon phan chin tru cho bon phan chin nhan 4 phan 13 tru cho van van tru 4 phan 2013 va nhan cho 4 phan 2017
khi do 2017s la
1 13 phan 15 nhan 0 phay 75 tru (11 phan 20 cong 25 phan tram ) chia 7 phan3
tim x thuoc n biet : b,(149 nhan 35 : x + 5) nhan 17 =13 va d/(3 nhan x tru 3 ) binh phuong 3 =2 nhan 32 e/5 x+1-5x=500
427 nhan 15 tru 200 nhan15 tru 27 nhan 38
427x15-200x15-27x38=6405-3000-1026
=2379
26/5 tru x = 9/15 nhan 25/3
\(\dfrac{26}{5}\) - x = \(\dfrac{9}{15}\) x \(\dfrac{25}{3}\)là x = 0,2
tinh bang hai cach
A)15 nhan 12-3nhan 5 nhan 10
B)45-9 nhan (13+5)
C)29 nhan (19-13)-19 nhan (29-13)
11 nhan 13 nhan 17 cong 165 tru 121
11 × 13 × 17 + 165 - 121
= 143 × 17 + 165 - 121
= 2431 + 165 - 121
= 2596 - 121
= 2475
Neu 100 nhan voi 100 nhan 55555 nhan voi 9999 tru 1000 chia cho 1 cong cho 5 nhan voi 10 nhan voi 10000 chia 1 cong 5555555 nhan voi 0 nhan voi 5000 nhan voi 6666 chia 500 thi se bang bao nhiu vay mi ban
100 x 100 x 55555 x 9999 - 1000 : 1 + 5 x 10 x 10000 : 1 + 5555555 x 0 x 5000 x 6666 ; 500 = 5554944949000.
Đúng thì kích mình nha!!!