\(\dfrac{2}{5}\left(\dfrac{8}{7}-\dfrac{1}{7}\right)=\dfrac{2}{5}\times1=\dfrac{2}{5}\)
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câu 10 : tính nhanh : a) 8 phàn 25 + 7 phần 8 + 7 phần 25 + 1 phần 8 =
b) tính 11 phần 7 x 3 phần 22 : 5 phần 28 =
Bài 1 - Đặt tính rồi tính15 423 : 9 306 427 : 23706 999 : 201 7 406 x 236 200 x 2069 731 x 27Bài 2 - Tính giá trị của biểu thứca, dfrac{2}{5} + dfrac{2}{7} x dfrac{2}{3}b, dfrac{2}{6} : dfrac{7}{5} + dfrac{2}{6}c, ( dfrac{2}{3} - dfrac{1}{6} ) x dfrac{6}{7}Giúp tớ nhé!!!!
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Bài 1 - Đặt tính rồi tính
15 423 : 9
306 427 : 23
706 999 : 201
7 406 x 2
36 200 x 206
9 731 x 27
Bài 2 - Tính giá trị của biểu thức
\(a,\) \(\dfrac{2}{5}\) + \(\dfrac{2}{7}\) x \(\dfrac{2}{3}\)
\(b,\) \(\dfrac{2}{6}\) : \(\dfrac{7}{5}\) + \(\dfrac{2}{6}\)
\(c,\) \((\) \(\dfrac{2}{3}\) - \(\dfrac{1}{6}\) \()\) x \(\dfrac{6}{7}\)
Giúp tớ nhé!!!!
2/5 + 1/6 x 6/7 = ?????????????????????????????????????????????????????????????????
13 tháng 11 2021 lúc 10:57
1. Complete each number pattern by filling in the blanks with correct answers.a) 1, 2, 4, 5, 7, 8, ( ), ( ),...b) 3, 4, 7, 12, 19, (28), (39),...c) 2, 3, 5, 8, 12, ( ), ( ),...d) 2, 3, 5, 8, 13, ( ), ( ),...2. A lesson starts at 8:10 am. It lasts for 1 hour 10 minutes. At what time does the lesson end?3. Given that A and B are two different single digit numbers, find the values of A and B in each of the following.a) A x A 4 B b) A x B 3 A A ...
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1. Complete each number pattern by filling in the blanks with correct answers.
a) 1, 2, 4, 5, 7, 8, ( ), ( ),...
b) 3, 4, 7, 12, 19, (28), (39),...
c) 2, 3, 5, 8, 12, ( ), ( ),...
d) 2, 3, 5, 8, 13, ( ), ( ),...
2. A lesson starts at 8:10 am. It lasts for 1 hour 10 minutes. At what time does the lesson end?
3. Given that A and B are two different single digit numbers, find the values of A and B in each of the following.
a) A x A = 4 B b) A x B = 3 A
A = A =
B = B =
a) 4+2/5=
b) 5/4+2=
c) 3+3/2=
d) 3/4-1/8=
e) 17/15-7/10=
g) 25/12-15/8=
h) 5-4/3=
i)15/4-3=
TRÌNH BÀY RÕ CÁCH GIẢI RA NHA!
làm hộ mình câu 2 , 3 ,4 ,5 ,6 ,7 ,8
Sắp xếp từ cho đúng và hoàn chỉnh :
1, tenserp => ...
2, onolalbs => ...
3, esglov => ...
4, elsmi => ...
5, simuc => ...
6, uocld => ...
7, koccl => ...
8, pepslirs => ...
II. Add “s” or “es” to the following verds.
1. sit 2. read 3. go 4. watch 5. brush 6. listen
7. walk 8. fix 9. hear 10. play 11. study 12. Repeat
bài khoanh tròn ĐẠI TỪ NHÂN XƯNG,TÂN NGỮ hoặc TÍNH TỪ SỞ HỮU sao cho phù hợp.1+2.(His/They/He)wants(us/our/we)to go to class tomorrow.3+4.(They/Their/Them)dont like (we/our/us)brothers.5+6.(She/They/Her)goes to school with (me/I/my)son.7+8.These letters are for(you/your/they)and(my/I/me).9+10+11.(Me/My/I)want(him/his/he)to call(my/I/me)sister right now.12+13+14.(They/Their/Them) give (my/I/me)a present on(me/my/I)birthday.15+16+17.(Our/We/Us)know all about (you/your/we)friends and (your/you/us.1...
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bài khoanh tròn ĐẠI TỪ NHÂN XƯNG,TÂN NGỮ hoặc TÍNH TỪ SỞ HỮU sao cho phù hợp.
1+2.(His/They/He)wants(us/our/we)to go to class tomorrow.
3+4.(They/Their/Them)don't like (we/our/us)brothers.
5+6.(She/They/Her)goes to school with (me/I/my)son.
7+8.These letters are for(you/your/they)and(my/I/me).
9+10+11.(Me/My/I)want(him/his/he)to call(my/I/me)sister right now.
12+13+14.(They/Their/Them) give (my/I/me)a present on(me/my/I)birthday.
15+16+17.(Our/We/Us)know all about (you/your/we)friends and (your/you/us.
18+19+20+21.(Us/We/our) look after(they/their/them) children for(their/them/they)while(they/their/them)are away
giúp mình mình đang cần gấp thanks cảm ơn các bạn đã giúp mình