cho 8 so 8 va cac dau. hay dat mot phep tinh co ket qua la 1000
Khi nhan 1 so thap phan co 2 chu so o phan thap phan voi 12,35 mot ban da dat cac tich rieng nhu doi voi phep cong va co ket qua la 220,66 . Hay tim ket qua dung cua phep nhan do . biet rang dau phay o cac thua so thang cot voi nhau
1. khi nhan mot so thap phan co hai chu so o phan thap phan voi 12,35,mot ban da dat tich rieng thang cot voi nhau nhu doi voi phep cong va co ket qua la 220,66. Hay tim ket qua dung cua phep nhan do . Biet rang cac dau phay o cac thua so va ket qua van dat thang cot voi nhau ?
2.tim 2 so biet thuong cua chung bang 1,2 va biet hieu cua chung bang 13,58 ?
ai lam nhanh se duoc tick day ?
1. Thua so kia la: 220,66 : ( 1 + 2 + 3 + 5 ) = 20,06
h dung la: 20,06 x 12,35 = 247,741
D/s : 247,741
2. Doi 1,2 = 12/10
Hieu so phan bang nhau la : 12 - 10 = 2 ( phan )
So lon la: 13,58 : 2 x 12 = 81,48
So be la: 81,48 - 13,58 = 67,9
D/s : so lon: 81,48
so be : 67,9
mink nhanh nhat tk nha
Khi tru mot so tu nhien di mot so thap phan co 1 chu so o phan thap phan, mot ban da dat tinh nhu doi voi phep tru 2 so tu nhien va van danh dau phay o ket qua thu duoc thang hang voi dau phay cua so thap phan. Vi the ket qua thu duoc giam di so voi ket qua dung la 1805,4. Tim so tu nhien trong phep tru do
Cho 4 chu so 2 va cac phep tinh , hay lap day tinh co ket qua lan luot la 1 2 3 4 5 6 7 8 9 10
Khi cong mot so tu nhien co 4 chu so voi mot so tu nhien co 5 chu so,mot ban da dat tinh nham de cac chu so cua so co 4 chu so lech sang ben trai 1 hang va thang hang voi cac chu so cua so co 5 chu so.Vi vay ket qua thu duoc tang them 11106 don vi.Hoi:a.Tim ket qua dung cua phep cong biet so co 5 chu so la 12345.b.Tim so co 5 chu so do biet ket qua sai la 55550
cho 9 so tu nhien giam dan 9 8 7 6 5 4 3 2 1.co the dat cac dau "+","-" de ket qua cua phep tinh bang 6?
cho 8 so 8 va cac dau hay lam ra mot bieu thuc co gia tri la 1000
\(888+88+8+8+8=1000\)
\(\left(8888-888\right)\div8=1000\)
Cho day so 88888888 hay dung cac dau + , - , x , : va dau ngoac de tinh cho ra ket qua la 1000
trong cach viet 88888888, hay dat dau + giua mot chu so de duoc 1000
cho 4 chu so 2 và cac phep tính hay lap cac tinh cac day co ket qua la 3 , 5 , 6 , 8 , 10
(2+2+2):2=6:2=3
2x2x2-2=8-2=6
2x2+2+2=4+2+2=8
2x2x2+2=8+2=10
(2+2+2):2=3
(2x2)+(2:2)=5
2x2x2-2=6
2+2+2+2=8
2x2x2+2=10