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a,12.35+35.182-35.94
=35.(12+182-94)
=35.100
=3500
b,35.23+35.41+64.65
=35.(23+41)+64.65
=35.64+64.65
=(35+65).64
=100.64
=6400
a, =(12+182-94).35=100.35=3 500
b, =35.(23+41)+64.65=35.64+64.65=64.(65+35)=64.100=6400
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 5800
b, 2700
c, 12800
d, 5082
e, 10080
f, 13400
g, 5020
h, 5200
a) 29.75.2+58.50-58.25 b) 9.39.3+27.63-2.27
= (29.2).75+58.50-58.25 = (9.3).39+27.63-2.27
= 58.75+58.50-58.25 = 27.39+27.63-2.27
= 58.(75+50-25) = 27.(39+63-2)
= 58.100 = 27.100
= 5800. = 2700.
c)64.46.2+16.32.8+128.22 d)6.25.11+5.22.3+66.14+33.66
= (64.2).46+(16.8).32+128.22 = (6.11).25+5.(22.3)+66.14+33.66
= 128.46+128.32+128.22 = 66.25+5.66+66.14+33.66
= 128.(46+32+22) = 66.(25+5+14+33)
= 128.100 = 66.77
= 12800. = 5082
![](https://rs.olm.vn/images/avt/0.png?1311)
12.35 + 35.182 + 35.94
= 35.( 12 + 182 - 94 )
= 35.100
= 3500
![](https://rs.olm.vn/images/avt/0.png?1311)
Chữa lại mk làm sai ! =_="
12 . 35 + 35 . 182 - 35 . 94
= 35 . ( 12 + 182 - 94 )
= 35 . 100
= 3500
Ủng hộ tk Đúng nha !
![](https://rs.olm.vn/images/avt/0.png?1311)
12 x 35 + 35 x 182 - 35 x 94
= (12 + 182 - 94) x 35
= (200 - 94) x 35
= 106 x 35
= 3710
Học tốt!!!
12.35+35.182-35.94
=(12+182-94).35
=100.35
=3500
k mik nhé
hok tốt
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 58.75 + 58.50 - 58.25
= 58. (75 + 50 - 25)
= 58. 100
= 5800
b) 27.39 + 27.63 + 2.27
= 27. (39 + 63 - 2)
= 27. 100
= 2700
c) 128.46 + 128.32 + 128.22
= 128.(46 + 32 + 22)
= 128. 100
= 12800
d) 12.35 + 35.182 - 35.94
= 35.(12 + 182 - 94)
= 35. 100
= 3500
e) 48.19 + 48.115 + 134.52
= 48.(19 + 115) + 134.52
= 48.134 + 134.52
= 134.(48 + 52)
= 134.100
= 13400
f) 136.23 + 136.17 - 40.36
= 136.(23 + 17) - 40.36
= 136.40 - 40.36
= 40.(136 - 36)
= 40.100
= 4000
g) 17.93 + 116.83 + 17.23
= 17.(93 + 23) + 116.83
= 17.116 + 116.83
= 116.(17 + 83)
= 116.100
= 11600
h) 19.27 + 47.81 + 19.20
= 19.(27 + 20) + 47.81
= 19.47 + 47.81
= 47.(19 + 81)
= 47.100
= 4700
i) 87.23 + 13.93 + 70.87
= 87.(23 + 70) + 13.93
= 87.93 + 13.93
= 93.(87 + 13)
= 93.100
= 9300
#NgHn
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50=1
12.35+35.182-35.66
=35.(12+182-66)
=35.(194-66)
=35.128
=4480
x+2x=6
3x=6
x=6:3
x=2
vậy x=2
x+x=30
2x=30
x=30:2
x=15
vậy x=15
2x-25+5x=45
2x+5x-25=45
2x+5x=45+25
7x=70
x=70:7
x=10
vậy x=10
x-7+2x=8
x+2x-7=8
x+2x=8+7
3x=15
x=15:3
x=5
vậy x=5
số đó là
3927
còn mấy câu còn
lại bn tự lamg
nhé
a) 12.35+35.182-35.94
= 35.(12+182-94)
= 35.100
=3500
b) 35.23+35.41+64.65
= 35.(23+41)+64.65
= 35.64+64.65
=64.(35+65)
= 64.100
=6400
c) 125.98-125.46-52.125
= 125.(98-46-52)
= 125.0
=0