Tính nhanh nhất có thể:
1453 + 8954+ 3453+ 7894=?
Những câu hỏi liên quan
17*8954=?
Ai nhanh mình tick cho
2315+3453=?
Ai nhanh mình tick cho
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bài 1 : Tính bằng cách thuận tiện nhất
a) 1245 + 7897 + 8755 +2103
b) 3215 + 2137 + 7865 +6785
c) 6547 + 4567 + 3453 + 5433
d) 1237 + 2914 + 1763 + 2086
e) 325 + 1268 + 332 + 675
nhanh lên các bạn like nhé
a, 1245 + 7897 + 8755 + 2103
= ( 1245 + 8755 ) + ( 7897 + 2103 )
=10000 + 10000
= 20000
b , 3215 + 2137 + 7865 + 6785
= ( 3215 +6785 ) + ( 2137 + 7865 )
= 10000 + 10002
= 20002
c, 6547 + 4567 + 3453 + 5433
= ( 6547 + 3453 ) + ( 4567 + 5433 )
= 10000 + 10000
= 20000
d , 1237 + 2914 + 1763 + 2086
= ( 1237 + 1763 ) + ( 2914 + 2086 )
= 3000 + 5000
= 7000
e, 325 + 1268 + 332 + 675
= ( 325 + 675 ) + ( 1268 + 332 )
= 1000 + 1600
= 2600
CHÚC BN HỌC GIỎI KB VỚI MIK NHE
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cứ cộng các số cộng với nhau tận cùng là 0 là được .
a ) 1245 + 7897 + 8755 + 2103
= ( 1245 + 8755 ) + ( 7897 + 2103 )
= 10000 + 10000
= 20000
b ) 3215 + 2137 + 7865 + 6785
= ( 3215 + 6785 ) + ( 2137 + 7865 )
= 10000 + 10002
= 20002
các bài khác tương tự
nhé !
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a) 1245 + 7897 + 8755 +2103=(1245+8755)+(7897+2103)
=10000+10000
=20000
b) 3215 + 2137 + 7865 +6785=(3215+6785+7865)+2137
=17865+2137
=20002
c) 6547 + 4567 + 3453 + 5433=(6547+3453)+(4567+5433)
=10000+10000
=20000
d) 1237 + 2914 + 1763 + 2086=(1237+1763)+(2914+2086)
=3000+5000
=8000
e) 325 + 1268 + 332 + 675=(325+675)+(1268+332)
=1000+1600
=2600
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Tính bằng cách thuận tiện nhất:
6547 + 4567 + 3453 + 5433
3215 + 2135 + 7865 + 6785
Các bạn giúp mình nhé
3215 + 2137 + 7865 + 6785
= ( 3215 +6785 ) + ( 2137 + 7865 )
= 10000 + 10002
= 20002
c, 6547 + 4567 + 3453 + 5433
= ( 6547 + 3453 ) + ( 4567 + 5433 )
= 10000 + 10000
= 20000
mk viết ngược nên mong bn thông cảm !
6547 + 4567 + 3453 + 5433 + 3215 + 2135 + 7865 + 6785
= ( 6547 + 3453 ) + ( 4567 + 5433 ) + ( 3215 + 6785 ) + ( 2135 + 7865 )
= 10 000 + 10 000 + 10 000 + 10 000
= 10 000 x 4
= 40 000
7894 - 9865 +65 =
Ai tra loi dung va nhanh nhat thi minh k
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Kết quả của phép tính ( - 1453) + 786 + ( - 247) là:
A. −914
B. −941
C. 419
D. −419
Đáp án cần chọn là: A
Ta có:
(−1453)+786+(−247)=[−(1453−786)+(−247)]
=(−667)+(−247)=−(667+247)=−914
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Bạn hà lấy 8x10 rồi cộng với 8954. không thực hiện phép tính của bạn hà em hãycho biết kết quả trên có chia hết cho cả 2,3,5,9 được hay không. vì sao?
không bởi vì 8x10 có tận cùng là 0 rồi cộng với 8954 thì sẽ có tận cùng là 4 không chia hết cho 5
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Đặt tính rồi tính :
a) 1453 + 3819 b) 4162 - 1748 c) 1032 x 4 d) 3672 : 6
Đặt tính rồi tính :
a) 1453 + 3819 b) 4162 - 1748 c) 1032 x 4 d) 4525 : 5