Các câu hỏi tương tự
thuc hien phep tinh:
a, 5+(-2)+(18-23)+2
b, |-6|:(-3)-43+(-2)².11
a,thuc hien phep tinh: 5*(2^2*3^2)^9*(2^2)^6-2*(2^2*3)^14*3^4/5*2^28*3^18-7*2^29*3^18
b,tim cac so nguyen n sao cho: n^2+5*n+9 la boi cua n+3
c,tim x,y nguyen sao cho: xy+2*x+y+11=0
5 . (262 . 3^2) . (2^2)^6 - 2 . (2^2 . 3)^14 . 3^4
5.2^28 . 3^18 - 7 . 2^29 . 3^18
Thuc hien phep tinh tren!
Mau mau kiem tick nao!!!!
^.^ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
bai 1.thuc hien phep tinh
a,[214-(18*5-32*4)]
b,102-60/(56/54-3*5)
c,/-120/-3*3/3
bai2.timx
a,123-3(x-5)=3*42
b,5x+2-20160=23*3
1..thuc hien phep tinh
a) [18-(-21)+(-9)]-13
b)125-139+200-(-75)
c) (-33)-(-12)-4
d) 22+(-31)-32+50
1
Thuc hien phep tinh
5.4^2 -18:3^2
3^3.18-3^3.12
39.213+87.39
80-[130-(12-4^2)]
thuc hien phep tinh
( 5*4^15*9-4*3^20*8^9) /( 5*2^9*6^19-7*2^29*27^6)
Thuc hien phep tinh) A = \(\frac{5.2^{30}.3^{18}-4.3^{20}2^{27}}{5.2^9.2^{19}.3^{19}-7.2^{29}.3^{18}}\)
Thuc hien phep tinh :
-4/7 . 2/5 + 6/7 . -3/10
Help me !!!! Thanks