Ban co the giai chi tiet ko? Minh cha hieu ban noi gi c hjhj
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1.tong cua ba so la 615.biet so thu hai hon so thu nhat 30 don vi nhung lai kem so thu ba 15 don vi.
Vay so thu nhat la:
2.Tong cua hai so la 222. biet rang neu cung them vao moi 9 don vi thi so lon se gap doi so be. So lon la:
3.{2012nhan 99-1006nhan 18} nhan 2013=
tong cua hai so la 30,3 biet so lon hon do be 8,5 don vi hoi cung bot o moi so bap nhieu don vi de so lon gap 3 lan so be
Tong cua ba so tu nhien la 1993. So thu nhat lon hon tong cua hai so Kia la 57. Neu not o so thu hai 36 don vi thi so thu hai bang so thu ba . Tim moi so da cho ?
Tong cua ba so la so lon nhat co ba chu so. Neu lay so thu nhat chia cho so thu hai thi duoc thuong la 5, du 3. So thu nhat hon tong cua hai so kia la 7 don vi. So thu nhat hon so thu hai la ?
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tong cua hai so la 28,1.so lon hon so be 9,1 don vi . hoi cung phai bot di moi so di bao nhieu don vide so lon gap doi so be
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...
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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.
1.tim 2 so a va b biet khi chia a cho b thi duoc thuong la 5,du 2 va tong cua chung la 402.mot hinh chu nhat co chieu dai gap 5 lan chieu rong,chieu rong ngan hon chieu dai 24m.tim chu vi3.tich cua 2 so la 6210.neu giam so nhan di 7 don vi thi tich moi la 5265.tim 2 so ban dau4.tong cua so thu nhat va so thu 2 la 56,tong cua so thu 2 va so thu 3 la 64 va tong cua so thu 3 va so thu nhat la 78.tim 3 so do5.tong cua 2 so tu nhien gap 3 lan hieu cua chung.tim thuong cua 2 so do nho cac ban giai chi...
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1.tim 2 so a va b biet khi chia a cho b thi duoc thuong la 5,du 2 va tong cua chung la 40
2.mot hinh chu nhat co chieu dai gap 5 lan chieu rong,chieu rong ngan hon chieu dai 24m.tim chu vi
3.tich cua 2 so la 6210.neu giam so nhan di 7 don vi thi tich moi la 5265.tim 2 so ban dau
4.tong cua so thu nhat va so thu 2 la 56,tong cua so thu 2 va so thu 3 la 64 va tong cua so thu 3 va so thu nhat la 78.tim 3 so do
5.tong cua 2 so tu nhien gap 3 lan hieu cua chung.tim thuong cua 2 so do
nho cac ban giai chi tiet gium to nhe