![](https://rs.olm.vn/images/avt/0.png?1311)
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a). 67 + 135 + 33
= ( 67 + 33 ) + 135
= 100 + 135
= 235
b). 277 + 113 + 323 + 87
= ( 277 + 323 ) + ( 113 + 87 )
= 600 + 200
= 800
hok tốt nha bạn
a) 67 + 135 + 33
= (67 + 33) +135
= 100 + 135
= 235
b) 277 +113 +328 +87
= (277 + 323) + (113 + 87)
= 600 + 200
= 800
k cho mk nha
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 67 + 135 + 33
= ( 67 + 33 ) + 135
= 100 + 135 = 235
b) 8 * 17
= 8 * ( 10 + 7 )
= 8 * 10 + 8 * 7
= 80 + 56 = 136
c) 2 * ( 512 * 50 )
= ( 2 * 50 ) * 512
= 100 * 512 = 51200
d) 4 * 37 * 25
= ( 4 * 25 ) * 37
= 100 * 37 = 3700
e) 277 + 113 + 323 + 87
= ( 277 + 323 ) + ( 113 + 87 )
= 600 + 200 = 800
f) 5 * 25 * 2 * 16 * 4
= ( 5 * 2 ) * ( 25 * 4 ) * 16
= 10 * 100 * 16 = 16000
![](https://rs.olm.vn/images/avt/0.png?1311)
a. 59 + 296
= ( 59 + 1 ) + 295
= 60 + 295
= 355
b) 592 + 48
= ( 592 + 8 ) + 40
= 600 + 40
= 640
Các câu sau tương tự
![](https://rs.olm.vn/images/avt/0.png?1311)
Đáp án :
4 . 37 . 25
= 4 . 25 . 37
= 100 . 37
= 3700
27+113+323+87
=( 113 + 87 ) + ( 27 + 323 )
= 200 + 350
= 550
~ hok tot~!
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 277 + 113 + 323 + 87
= ( 277 + 323 ) + ( 113 + 87 )
= 600 + 200
= 800
b, 185 + 434 + 515 + 266 + 155
= ( 185 + 515 ) + ( 434 + 266 ) + 155
= 700 + 700 + 155
= 1400 + 155
= 1555
c, 8 . 12 . 125 . 2
= ( 125 . 8 ) . ( 12 . 2 )
= 1000 . 24
= 24000
d, 4 . 36 . 25 . 50
= ( 4 . 25 ) . ( 36 . 50 )
= 100 . 1800
= 180000
a, 277 + 113 + 323 + 87
= ( 277 + 323 ) + ( 113 + 87 )
= 600 + 200
= 800
b, 185 + 434 + 515 + 266 + 155
= ( 185 + 515 ) + ( 434 + 266 ) + 155
= 700 + 700 + 155
= 1400 + 155
= 1555
c, 8 . 12 . 125 . 2
= ( 125 . 8 ) . ( 12 . 2 )
= 1000 . 24
= 24000
d, 4 . 36 . 25 . 50
= ( 4 . 25 ) . ( 36 . 50 )
= 100 . 1800
= 180000
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 113.38+87.62+113.62+87.38
=(113.38+87.38)+(87.62+113.62)
=38.(113+87)+62.(87+113)
=38.200+62.200
=200.(38+62)
=200.100
=20000
b) 2.125.18+3.12.252+4.223.9
= 2.18.125+3.12.252+4.9.223
=36.125+36.252+36.223
=36.(125+252+223)
=36.500
=18000
Chúc bạn học tốt~~~
a) 67+135+33=(67+33)+135=100+135=235
b) 227+113+323+87=(227+323)+(113+87)=550+200=700
lam sai