??????????????????????????????????????????????????????????????????????????????????????????????????????????????
b ơi b vt đề rõ hẳn ra đc k vt như b khó hiểu quá
Các câu hỏi tương tự
A] X-1,25x4= 2,5 b] [ X CONG 1 ] CONG [ X CONG 2] CONG [ X CONG 3 CONG ] .............. CONG [ X CONG 20] = 750 C ] [ X CONG 1] CONG [X CONG 2 ] CONG [ X CONG 3 ] CONG ........... CONG [ X CONG 10] = 175
[ 2 CONG X ] CONG [ 4 CONG X ] CONG [ 6 CONG X ] CONG .......................... CONG [ 52 CONG X ] = 780
1 CONG 3 CONG 5 CONG .........CONG [ 2 x X CONG 1] = 169
x cong 1 cong x cong 2 cong ...x cong 100 bang 5050
C] [ X-1/2 ] CHIA [ 1/2 CONG 1/6 CONG 1/12 CONG 1/20 ] = 1/3
1 CONG 3 CONG 5 CONG CONG .......... CONG [ 2x X CONG 1] =169
1 CONG 2 CONG 3 CONG ........... CONG X = 210
1 CONG 3 CONG 5 CONG ............... CONG [ 2x X 1] CONG 169
2 CONG 4 CONG 6 CONG ........... CONG [ 2 x X] = 2550