s) 13 . 58 .4 + 32 . 26 . 2 + 52 . 10
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![](https://rs.olm.vn/images/avt/0.png?1311)
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13 x 58 x 4 + 32 x 26 x 2 + 52 x 10
= 13 x 4 x 58 + 32 x 52 + 52 x 10
= 52 x 58 + 32 x 52 + 52 x 10
= 52 x ( 58 + 32 + 10 )
= 52 x 100
= 5200
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
13 x 58 + 32 x 26 x 2 + 52 x 10
= 13 x 58 + 32 x 13 x 2 x 2 + 13 x 4 x 10
= 13 x 58 + 128 x 13 + 13 x 40
= 13 x (58 + 128 + 40)
= 13 x 226
= 2938
13 x 58 + 32 x 26 x 2 + 52 x 10
= 13 x 58 + 32 x 13 x 2 x 2 + 13 x 4 x 10
= 13 x 58 + 128 + 13 x 40
= 13 x ( 58 +128 + 40 )
= 13 x 226
= 2938
![](https://rs.olm.vn/images/avt/0.png?1311)
1/13.58.4+32.26.2+52.10
=52.58+52.32+52.10
=52(58+32+10)=52.100=5200
2/15.37.4+120.21+21.5.12
=60.37+120.21+60.21
=60(37+2.21+21)=60.100=6000
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a) 13 . 58 . 4 + 32 . 26 . 2 + 52 . 10 b) 53 . 51 + 4 + 53 . 49 + 91 + 53
= 52 . 58 + 32 . 52 + 52 . 10 = 53 . 55 + 53 . 145 + 53 . 1
= 52. ( 58 + 32 + 10 ) = 53 . ( 55 + 145 + 1 )
= 52 . 100 = 53 . 201
= 52000 = 10653
~ Chúc bn hok tốt ~
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13 . 58 . 4 +32.26.2+52.10
=(13.4).58 + 32.(26.2) +52.10
=52.58 + 32. 58 + 52.10
=(32+58+10).52
=100.52
=5200
![](https://rs.olm.vn/images/avt/0.png?1311)
a) \(3.5^2+15.2^2-26\div2\)
= 3.25 + 15.4 - 13
= 75 + 60 - 13
= 135 - 13
= 122
b) \(5^3.2-100\div4+2^3.5\)
= 125.2 - 25 + 8.5
= 250 - 25 + 40
= 225 + 40
= 265
c)\(6^2\div9+50.2-3^3.33\)
= 36 : 9 + 100 - 9.33
= 4 + 100 - 297
= 104 - 297
= -193
d)\(3^2.5+2^3.10-81\div3\)
= 9.5 + 8.10 - 27
= 45 + 80 - 27
= 125 - 27
= 98
e) \(5^{13}\div5^{10}-25.2^2\)
= 53 - 25.4
= 125 - 100
= 25
f) \(20\div2^2+5^9\div5^8\)
= 20 : 4 + 5
= 5 + 5
= 10
\(\text{13.58.4+32.26.2+52.10}\)
\(\text{=(13.4).58 + (26.2)32 + 52.10}\)
\(\text{=52.58+52.32+52.10}\)
\(\text{=52(58+32+10)}\)
\(\text{=52.100}\)
\(\text{= 5200}\)