\(888+88+8+8+8=1000\)
\(\left(8888-888\right)\div8=1000\)
\(888+88+8+8+8=1000\)
\(\left(8888-888\right)\div8=1000\)
dung nam chu so 5 ,dau cac phep tinh va dau ngoac (neu can ),hay viet mot bieu thuc co gia tri bang 6
cho 8 so 8 va cac dau. hay dat mot phep tinh co ket qua la 1000
Voi sau chu so 3 va dau ngoac, dau phep tinh va so mu. Hay viet thanh bieu thuc co gia tri 106 bang 3 cach.
giải giúp nha
dung 5 chu so 1,2,3,4,5 va dau cac phep , dau ngoac de viet bieu thuc co gia tri bang 1
giúp nhoa . cảm ơn nhiều
5,5,5,5,5:them vao day cac dau,dau ngoac,de viet ra 1 bieu thuc co gia tri la100
tim cac dang cua x sao cho
bieu thuc A = 2x-1 co gia tri duong x
bieu thuc B = 8-2x co gia tri am
bieu thuc C=2(x+3) khong am
bieu thuc D=7(2-x)khong duong
tim so nguyen a de bieu thuc sau co gia tri la so nguyen : M=(2a+8):5+(-a-7):5
Cho cac bieu thuc
A=n+6 phan n-5 va B=3n-9 phan n-6
a/ Tim gia tri nguyen cua n de A, B la phan so ?
b/ Tim gia tri nguyen cua n de A, B co gia tri nguyen?
c/ Tim gia tri nguyen cua n de A, B co gia tri nguyen lon nhat?
khong tinh gia tri bieu thuc hay so sanh 9 mu 8 nhan 5 mu 16 va 19 mu 20