a)85793-66666+44x44
b)84/100+16/100-36/100
c)234,56+22,222-3,3333
84/100 - 29/100 + 30/100
85793 - 36841 + 3826
325,97 + 86,54 + 103,46
\(\frac{84}{100}-\frac{29}{100}+\frac{30}{100}=\frac{85}{100}=\frac{17}{20}\)
85793-36841+3826=52778
325.97+86.54+103.46=515.97
84/100 - 29/100 + 30/100=17/20
85793 - 36841 + 3826=53138
325,97 + 86,54 + 103,46=515,97
Tính:
a) 85793 \(-\) 36841 \(+\) 3826;
b) \(\dfrac{84}{100}-\dfrac{29}{100}+\dfrac{30}{100}\);
c) 325,97 \(+\) 86,54 \(+\) 103,46.
a) 85793 - 36841 + 3826 = 48952 + 3826 = 52778
b) \(\dfrac{84}{100}-\dfrac{29}{100}+\dfrac{30}{100}\) = \(\dfrac{55}{100}+\dfrac{30}{100}\) = \(\dfrac{85}{100}\) =\(\dfrac{17}{20}\)
c) 325,97 + 86,54 + 103,46 = 412,51 + 103,46 = 515,97
a)\(85793-36841+3826=52778\)
b)\(\dfrac{84}{100}-\dfrac{29}{100}+\dfrac{30}{100}=\dfrac{84-29+30}{100}=\dfrac{85}{100}\)
c)\(325,97+86,54+103,46=515,97\)
a) 85793 - 36841 + 3826 = 48952 + 3826 = 52778
b) 55100+3010055100+30100 = 17201720
c) 325,97 + 86,54 + 103,46 = 412,51 + 103,46 = 515,97
Bài 1:Tính
a)85793 - 36841 + 3826
b)84/100 - 29/100 + 30/100
c)325,97 + 86,54 + 103,46
d)1/2+1/3+1/4+1/5
Giúp mk nha.Thanks!!!
a)85793-36841+3826=62778
b)84/100-29/100+30/100=85/100=17/50
c)325,97+86,54+103,46=515,97
d)1/2+1/3+1/4+1/5=30+20+14+12/60=76/60=19/14
Tính bằng cách thuận tiện nhất :
a 35 + 16 + 71 + 65 + 29 + 84
b 53 + 45 + 135 + 147 + 50
Mẫu
A. 35 + 16 + 71 + 65 + 29 + 84
= (35 + 65) + (16 + 84) + (71 + 29)
= 100 + 100 + 100
= 300
b, 53 + 45 + 135 + 147 + 50
= ( 53 + 147 ) + ( 45 + 135 ) + 50
= 200 + 180 + 50
= 200 + 330
= 530
b, 53 + 45 + 135 + 147 + 50
=(53+147)+(45+135+50)
=200+230
=430
Tính tổng \(S=1C^1_{100}+2C^2_{100}+3C^3_{100}+...+100C^{100}_{100}\).
a/ 65/91 + -33/55
b/ 36/-84 + 100/450
a/ 65/91 + -33/55 = 4/35
b/36/-84 + 100/450 = -7/36
lệnh M[5]:=100 tương đương lệnh nào sau đây?
a. M[3]+M[2]:=100
b. M[3]:=100
c M[3+2]:=100
d M[2]:=100
lệnh M[5]:=100 tương đương lệnh nào sau đây?
a. M[3]+M[2]:=100
b. M[3]:=100
c M[3+2]:=100
d M[2]:=100
cộng các phân số sau:
a)36/ -84 +100/450
b)-650/1430 +588/686
\(\frac{36}{-84}+\frac{100}{450}\)
\(=\frac{3}{-7}+\frac{2}{9}\)
\(=-\frac{13}{63}\)
\(-\frac{650}{1430}+\frac{588}{686}\)
\(=-\frac{5}{11}+\frac{6}{7}\)
\(=\frac{31}{77}\)
\(a,\frac{36}{-84}+\frac{100}{450}\)
\(=-\frac{3}{7}+\frac{2}{9}\)
\(=\frac{-13}{63}\)
\(b,\frac{-650}{1430}+\frac{588}{686}\)
\(=-\frac{5}{11}+\frac{6}{7}\)
\(=\frac{31}{77}\)
Học tốt
\(\frac{36}{-84}+\frac{100}{450}=\frac{-3}{7}+\frac{2}{9}=\frac{-27}{63}+\frac{14}{63}=-\frac{13}{63}\)
a) 100 : 52 + 7.32
b) 84 : 4 + 39 : 37 + 50
c) 29 – [16 + 3.(51 – 49)]
d) 5.22 + 98:72
a)100:25+7.9=4+16=20
b)84:4+9+1=31
c)29-(16+3.1)=10
d)5.4+98:49=20+2=22