BÀI 1.22 - BÀI 4:PHÉP CỘNG VÀ PHÉP TRỪ by Thầy Khoa Phương https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf BÀI 1.22. Tính một cách hợp lý en-us 2021-09-30 14:51:15 UTC 2023-06-23 12:47:42 UTC hello@padlet.com https://padlet.net/icons/png/1f6e0.png BÀI 1.22. TÍNH MỘT CÁCH HỢP LÝ khoavnkg https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1781676412 a)
b)]]> 2021-09-30 14:54:02 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1781676412 Nguyễn thị Ngọc Hân https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783599661
a) 285 + 470 + 115 + 230


= (285 + 115) + (470 + 230)


= 400 + 700


= 1 100


b) 571 + 216 + 129 + 124


= (571 + 129) + (216 + 124)


= 700 + 340


= 1 040

]]> 2021-10-01 07:43:56 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783599661 Hồ mỹ quyên https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783600795 2021-10-01 07:44:37 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783600795 Công Thịnh: a) 285+470+115+230=(285+115)+(470+230)=400+700=1100 b) 571+216+129+124=(571+129)+(216+124)=700+340=1040 https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783601133 2021-10-01 07:44:50 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783601133 Lê Như Quỳnh tính một cách hợp lí : a 285+479+115+230=(285+115)+(479+230)= 400+700= 1100 B 571+216+129+124=(571+129)+(216+124)= 700+340= 1040 https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783603522 2021-10-01 07:46:21 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783603522 Hoàng https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783603608 2021-10-01 07:46:24 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783603608 trần ngọc hậu a)(470+230)+(285+115)=700+400 https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783604050 2021-10-01 07:46:41 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783604050 https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783604052 Nguyễn gia nghi]]> 2021-10-01 07:46:41 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783604052 Bùi Kim Quyên https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783604593 a) 285 + 470 + 115 + 230 
= ( 285 + 115 ) + ( 470  + 230 ) 
= 400 + 700 
= 1 100 
b) 571 + 216 + 129 + 124 
= ( 571 + 129 ) + ( 216 + 124 ) 
= 700 + 340
= 1040]]> 2021-10-01 07:47:03 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783604593 Nguyễn gia nghi https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783606701 2021-10-01 07:48:24 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783606701 Như Tiên https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783607275 a.285+470+115+230
=(285+115)+(470+230)
=400=700
=1 100
b.571=216+129+124
=(571+129)+(261+124)
=700+340
=1040]]> 2021-10-01 07:48:48 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783607275 Trần Ngọc Trinh https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783607824 A 285+470+115+230  =(285+115)+(470+230)
=400+700
=1100
B 
571+261+129+124
=(571+139)+(216+124)
=710+340
=1140

]]> 2021-10-01 07:49:10 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783607824 Đạt https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783609731 a)285+470+115+230
= 285+115+470+230
=     400    +700
=           1100 
b) 571+216+129+124
=   571+129+216+124
=    700       +340
=1040]]> 2021-10-01 07:50:28 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783609731 tuấn huy:285+470+115+230=(285+115)+(470+230)=400+700=1100 https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783610609 b) 571+216+129+124
=(571+139)+(216+214)
=710+340
=1040]]> 2021-10-01 07:51:04 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783610609 THANH KHIET 285 + 470+ 115+23= = (285 + 115) + (470 + 23) = 400 +700 = 1100 B 571 + 216+ 129 + 124 = ( 571 + 129)+( 216 + 124)700 +340 = 1O40 https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783614203



=]]> 2021-10-01 07:53:26 UTC https://padlet.com/khoavnkg/ebwzs9yyln4lz1qf/wish/1783614203