25. 71 .50 . 4 .2
e) 48.19 + 48.115 + 134.52
f) 136.23 + 136.17
–
40.36;
25. 71 .50 . 4 .2
e) 48.19 + 48.115 + 134.52
f) 136.23 + 136.17
–
40.36;
bài 1: tính nhanh
a) 48.19+48.115+134.52
b) 27.121-87.27+73.34
c)125.98-125.46-52.25
d) 136.23+136.17-40.36
e) 17.93+116.83+17.23
ê)19.27+47.81+19.20
f) 87.23+13.93+70.87
bài 1 : tính nhanh
48.19+48.115+134.52
27.121-87.27+73.34
125.98-125.46-52.25
136.23+136.17-40.36
17.93+116.83+17.23
baif tìm x
|x-3|=|5|+|7|
4-(7-x)=x-(13-4)
A 48.19 +48.115 +134.52
B, 27.121 - 87.27 + 73.34
C, 125.98 - 125.46. -52.23
D, 136.23 + 136.17 +40.36
E, 17.93 + 116.83 + 17.23
F, 19.27 + 47.81 + 19.20
G, 87.23 + 13.93 + 70.87
Các bạn giúp mình nhé ! Cảm ơn
Tính nhanh
12.35+35.182-35.94 ; 35.23+35.41+54.65 ; 29.87-29.23+64.71
48.19+48.115+134.52 ; 27.121-87.27+73.34 ; 125.98-125.46-52.25
136.23+136.17-40.36 ; 17.93+116.83+17.23 ; 19.27+47.81+19.20
66.25=5.66+66.14+33.66 ; 87.23+13.93+70.87
các bạn ơi giúp mình với mình cần gấp!
dấu chấm là dấu nhân nha cảm ơn mọi người...!
1.Tính nhanh:
a) 35.23+35.41+64.65
b)29.87-29.23+64.71
c)48.19+48.115+134.52
d)27.121-87.27+73.34
e)125.98-125.46-52.25
f)136.23+136.17-40.36
g)17.93+116.83+17.23
h)19.27+47.81+19.20
i)87.23+13.93+70.87
2.Tìm X:
a.[(6.x-39):7].4=12
b.(x:3-4).5=15
c.128-3.(x+4)=23
d.\(\left(3.x-3^4\right).7^3=2.7^4\)
x-[42+(-28)]=-8
g) x-7=-5
h) 15-5.(x+4)=-12-3
i) (7-x)-(25+7)=-25
k) 0:x=0
l) \(4^x=64\)
m) \(9^{x-1}=9\)
n) \(2^x:2^5=1\)
tinh nhanh :
a/ 48.19+48.115+.52
b/ 27.121-87.27+73.34
c/ 125.98-125.46-52.25
TÍNH NHANH:
a,48.19+48.115+134.52
b,27.121-87.27+73.34
c,125.98-125.46-52.25
trình bày cách giải hộ mình nhé
A) 58.75+58.50-58.25
B) 27.39+27.63-2.27
C) 128.46+128.32+128.22
D) 12.35+35.182-35.94
E) 48.19+48.115+134.52
F) 136.23+136.17-40.36
G) 17.93+116.83+17.23
H) 19.27+47.81+19.20
I) 87.23+13.93+70.87
Tính nhanh:
A) 58.75+58.50-58.25
B) 27.39+27.63-2.27
C) 128.46+128.32+128.22
D) 12.35+35.182-35.94
E) 48.19+48.115+134.52
F) 136.23+136.17-40.36
G) 17.93+116.83+17.23
H) 19.27+47.81+19.20
I) 87.23+13.93+70.87