Các câu hỏi tương tự
tim hai so co tich la 3250 biet rang neu ta cong them vao thua so thu hai 7 don vi va giu nguyen thua so thu nhat va thuc hien phep nhan lai thi duoc tich moi la 4125
Bai 1: tich cua 2 so ,biet rang neu giu nguyen thua so thu nhat va tang thua so thuhai len 4 lan thi duoc tich moi la 8400
Bai 2: Tim 2 so co tich bang 5292 ,biet rang neu giu nguyen thua so thu nhat va tang thua so thu hai them 6 don vi thi duoc tich moi bang 6048
tich cua 2 so la 1273.Neu them 6 don vi vao thua so thu hai thi tich moi se la 1675.tim hai so do
tich cua hai so la 133,biet neu tang thua so thu nhat tang them 6 don vi thi tich tang them 42 42 don vi .tim hai so do?
bai 1a} mot phep chia co so chia la 49 so du la 38. hoiphai them vao so bi chia it nhat la bao nhieu de thuong tang the 1 don vi ?co the them vao sbc nhieu nhat la bao nhieu de thuong tang 1 don vi 2 don vico the giam so bi chia it nhat bao nhieu don vi de thuong giam 1 don vi giam sbc nhieu nhat bao nhieu don vi de thuong giam 1 don vib} tim SBC va SC cua mot phep chia biet SBC gap 11 lan thuong va thuong bang 5 lan SCc} hieu hai so la 60 neu ta cong them 18 don vi vao moi so thi so lon gap 3 l...
Đọc tiếp
bai 1
a} mot phep chia co so chia la 49 so du la 38. hoi
phai them vao so bi chia it nhat la bao nhieu de thuong tang the 1 don vi ?
co the them vao sbc nhieu nhat la bao nhieu de thuong tang 1 don vi 2 don vi
co the giam so bi chia it nhat bao nhieu don vi de thuong giam 1 don vi
giam sbc nhieu nhat bao nhieu don vi de thuong giam 1 don vi
b} tim SBC va SC cua mot phep chia biet SBC gap 11 lan thuong va thuong bang 5 lan SC
c} hieu hai so la 60 neu ta cong them 18 don vi vao moi so thi so lon gap 3 lan so be em hay tim hai so do
d} tich hai so la 645. neu ta them 5 don vi vao so thu hai thi tich moi la 860 tim hai so do
bai 2
a} mot khu vuon hinh chu nhat chieu dai hon chieu rong 40m neu mo rong them moi ben 10m thi chieu dai gap doi chieu rong tinh dien tich khu vuon
b} hieu cua hai so la 140 neu ta tang so bi tru len 5 lan va giu nguyen so tru thi hieu moi la 1454 tim 2 so do
giai tat nhe ban nao giai thanh bai giai ma giai tat thi min se tich cho tat ca ban do
dung quen ket ban voi minh nha
minh dang can gap mong cac ban giup cho
tim hai so co tich bang 5292,biet rang neu giu nguyen thua so thu nhat va tang thua so thu hai len 6 don vi thi co tich moi la 6048
tich cua 2 so la 72 . neu them vao thua so thu hai 3 don vi thi tich la 96 . tim hai so do
bai 1 ; tuoi cua anh va tuoi cua em cong lai la 34 tuoi . Anh hon em 6 tuoi . Tinh tuoi cua moi nguoi bai 2 ; mot thua ruong hinh chu nhat co chu nvi la 360 m , chieu rong be hon chieu dai la 20m . Tinh dien tich thua ruongbai 3 ; tong cua hai so chan la 45 . Tim hai so do , biet rang giua chung chi co 5 so le bafi 4 ; tong cua cac chu so cua mot so co hai chu so bang 11 . Neu thay doi thu tu cua cac chu so thi da cho tang them 27 don vi . Tim so do giai ho minh nhe
Đọc tiếp
bai 1 ; tuoi cua anh va tuoi cua em cong lai la 34 tuoi . Anh hon em 6 tuoi . Tinh tuoi cua moi nguoi
bai 2 ; mot thua ruong hinh chu nhat co chu nvi la 360 m , chieu rong be hon chieu dai la 20m . Tinh dien tich thua ruong
bai 3 ; tong cua hai so chan la 45 . Tim hai so do , biet rang giua chung chi co 5 so le
bafi 4 ; tong cua cac chu so cua mot so co hai chu so bang 11 . Neu thay doi thu tu cua cac chu so thi da cho tang them 27 don vi . Tim so do
giai ho minh nhe
tich cua 2 so la 450 .biet neu tang thua so thu nhat them 9 don vi thi tich tang the 162 don vi . tim 2 so do?