tong[hieu sau la so nguyen to hay hop so?
a,5.6.7+8.9
b,5.7.11+13.17.19
c,5.7.9.11-2.3.7
d,4253+1422
tong hieu sau la so nguyen to hay hop so
23.27.29+1
xet xem tong, hieu sau day la so nguyen to hay hop so
A=1.3.7.13-13
B=2.5.7+4.13
Xet xem tong , hieu sau la so nguyen to hay hop so
3.5.7+2011.2013
10^3-8
tong hoac hieu sau day la so nguyen to hay hop to
bai 1015+11
tong (hieu) sau la so nguyen to hay hop so
a) 3.5.7 + 11.13.17
b)16 354 + 67 541
c)7.9.11.13 - 2.3.4.7
tong (hieu) sau la so nguyen to hay hop so
a)3.4.5+6.7
b)3.5.7+11.13.17
c)7.9.11.13-2.3.4.7
d)16354+67541
TONG (HIEU) la so nguyen to hay hop so
a)3x4x5+6x7
b)7x9x11x13-2x3x4x7
c)3x5x7+11x13x17
16352+67514
tong ,hieu sau la so nguyen to hay hop so
A=45+36+72+81
B=4.19-5.4
C=7+72+7+.....+75