Các câu hỏi tương tự
Cho 2 so, biet rang neu so lon bot 7,5 va so be them 7,5 thi duoc 2 so bang nhau, neu moi so da cho cung them 0,25 thi duoc 2 so moi co ti so la 4. Tim 2 so da cho
Bai 1 : Tong cua hai so la 2000. Neu so hang thu nhat them 135 don vi va so hang thu hai bot 531 don vi thi duoc tong moi la bao nhieu?Bai 2 : Tim tong hai so biet rang neu so hang thu nhat bot di 246 don vi va so hang thu hai them 642 don vi thi duoc tong moi bang 2010.Bai 3 : Hieu cua hai so la 1000. Neu so lon them 235 don vi va so be bot 200 don vi thi duoc hieu moi la bao nhieu?Bai 4 : Hieu cua hai so bang 1234. Neu so lon bot 234 don vi va so be them 456 don vi thi duoc hieu moi la bao nh...
Đọc tiếp
Bai 1 : Tong cua hai so la 2000. Neu so hang thu nhat them 135 don vi va so hang thu hai bot 531 don vi thi duoc tong moi la bao nhieu?
Bai 2 : Tim tong hai so biet rang neu so hang thu nhat bot di 246 don vi va so hang thu hai them 642 don vi thi duoc tong moi bang 2010.
Bai 3 : Hieu cua hai so la 1000. Neu so lon them 235 don vi va so be bot 200 don vi thi duoc hieu moi la bao nhieu?
Bai 4 : Hieu cua hai so bang 1234. Neu so lon bot 234 don vi va so be them 456 don vi thi duoc hieu moi la bao nhieu?
Bai 5 ; Tim hieu cua hai so, biet rang so lon va so be cung bot di 100 don vi thi duoc hieu moi la 1000.
tim hai STP.Biet rang neu dem so lon tru 9.6 va dem so be cong voi 9.6 thi duoc 2 so bang nhau.neu deu bot moi so di 5.3 thi duoc 2 so co ti so la 3
giup mk giai toan mk tic dung cho nha
a) cho 2 phan so 11,32 va 29,83 . Hoi phai bot o so be dong thoi them vao so lon mot gia tri la bao nhieu de duoc 2 so co ti so la 1/4 .
b) tim phan so a/b co gia tri bang 2/7 , biet rang neu bot 3 don vi o mau so thi duoc mau so moi co gia tri bang 3/10
cho 2 so co tong bang 702 biet neu them vao so be 11 don vi va so lon 15 don vi thi duoc 2 so moi co ti so la 2,25 tim so lon
hai so co ti so bang 5/4. biet neu bot 15 o so thu nhat va them vao so thu 2 thi ta duoc hai so moi co ti so la 5/7. so be la
TRA LOI CAU HOI SAU:cau1:1/3 cua 186 bangcau2:5/4cua 2012 bangcau3:3/4 cua 192 bangcau4:hieu hai so bang 246 so be bang 3/5 so lon vay so lon lacau5:tong hai so bang 222 biet rang neu cung them moi so 9 don vi thi so lon gap doi so be tim so loncau6:cho hinh chu nhat co chu vi bang 104cm biet neu giam chieu dai di 2cm va tang chieu rong len 2cm thi no cho thanh hinh vuong so do chieu dai hinh chu nhat lacau7:tong 2 so bang 260 biet neu cung bot moi so di 6 don vi thi so lon gap 3 lan so be vay...
Đọc tiếp
TRA LOI CAU HOI SAU:
cau1:1/3 cua 186 bang
cau2:5/4cua 2012 bang
cau3:3/4 cua 192 bang
cau4:hieu hai so bang 246 so be bang 3/5 so lon vay so lon la
cau5:tong hai so bang 222 biet rang neu cung them moi so 9 don vi thi so lon gap doi so be tim so lon
cau6:cho hinh chu nhat co chu vi bang 104cm biet neu giam chieu dai di 2cm va tang chieu rong len 2cm thi no cho thanh hinh vuong so do chieu dai hinh chu nhat la
cau7:tong 2 so bang 260 biet neu cung bot moi so di 6 don vi thi so lon gap 3 lan so be vay so be la
Bai 1 : a) Tim abcd biet : a x bcd 1001 b) Tim ab ; biet ab x aba ababBai 2 Tim so co hai chu so, biet rang neu viet them chu so 6 vao ben trai so da cho thi duoc so moi gap 7 lan so cu.Bai 3: Tim so co ba chu so, biet rang neu viet them chu so 3 vao ben trai so da cho thi duoc so moi gap 7 lan so doBai 4 :a) Tim cac so a7b cung chia het cho 5 va 9 b) Tim cac aso 1ab cung chia het cho 5 va 3Bai 5 : Tim so co hai chu so, biet rang so do chia cho hang don vi cua...
Đọc tiếp
Bai 1 :
a) Tim abcd biet : a x bcd = 1001 b) Tim ab ; biet ab x aba = abab
Bai 2 Tim so co hai chu so, biet rang neu viet them chu so 6 vao ben trai so da cho thi duoc so moi gap 7 lan so cu.
Bai 3: Tim so co ba chu so, biet rang neu viet them chu so 3 vao ben trai so da cho thi duoc so moi gap 7 lan so do
Bai 4 :
a) Tim cac so a7b cung chia het cho 5 va 9 b) Tim cac aso 1ab cung chia het cho 5 va 3
Bai 5 : Tim so co hai chu so, biet rang so do chia cho hang don vi cua no thi duoc thuong la 6, du 5.
Bai 6: Cho so co hai chu so trong do chu so hang don vi la 7. Tim so da cho, biet rang neu chia so do cho tong cac chu so cua no thi duoc thuong la 5 va du 12.
cho 2 so thap phan a va b neu viet them 3,01 vao so a va bot o so b di 3,01 thi duoc 2 so moi co ti so la 4 con neu bot di o a 0,7 va them vao b 0,7 thi ta duoc 2 so moi co ti so la 3 tim hai so a va b