34+35+36+37+...+96
Biết tan a=0,6899 vậy A.34°35' B.34°36' C.36°34' D.34°37'
Tính hợp lí:
c) (-37) – 14 – 26 + 37=
d) 34 + 35 + 36 + 37 – 14 – 15 – 16 – 17 =
c) (-37) – 14 – 26 + 37=(-37)+37-14-26=0-(-12)=12
d) 34 + 35 + 36 + 37 – 14 – 15 – 16 – 17 =(34-14)+(35-15)+(36-16)+(37-17)=20+20+20+20=80
10) 2575 + 37 – 2576 – 29
11) 34 + 35 + 36 + 37 – 14 – 15 – 16 – 17
\(\text{10) 2575 + 37 – 2576 – 29 = 7 }\)
\(\text{11) 34 + 35 + 36 + 37 – 14 – 15 – 16 – 17 = 80}\)
10) 2575+37-2576-29
= (2575-2576)+(37-29)
= -1+8
=7
11)34+35+36+37-14-15-16-17
=(34-14)+(35-15)+(36-16)+(37-17)
=20+20+20+20
=80
| 34 + 35 + 36 + 37 – 14 – 15 – 16 |
34 + 35 + 36 + 37 – 24 – 25 – 26 – 27
=(34-24)+(35-25)+(36-26)+(37-27)=10+10+10+10=40
= (34-14) + (35-25)+(36-26)+(37-27)
= 10 +10+10+10=40
\(34+35+36+37-24-25-26-27\\ =\left(34-24\right)+\left(35-25\right)+\left(36-26\right)+\left(37-27\right)\\ =10+10+10+10=40\)
34 + 35 + 36 + 37 - 14 -15 - 16 - 17
help
34 + 35 + 36 + 37 - 14 - 15 - 16 - 17
= 34 + 35 + 36 + 37 + (-14) + (-15) + (-16) + (-17)
= [ 34 + (-14) ] + [ 35 + (-15) ] + [ 36 + (-16) ] + [ 37 + (-17) ]
= 20 + 20 + 20 + 20
= 80
toán lớp 6 nha
mình nhầm thành vật lý lớp 6
C2: 34 + 35 + 36 + 37 - 14 -15 - 16 - 17
= ( 34 - 14 ) + ( 35 - 15 ) + ( 36 - 16 ) + ( 37 - 17 )
= 20 + 20 + 20 + 20
= 80
bài 1:tính
a) 21+22+23+24-11-12-13-14
b) 34+35+36+37-14-15-16-17
c) 55+56+57+58-35-36-37-38
mik cần câu trả lời đúng nhất ❗
a: =(21-11)+(22-12)+(23-13)+(24-14)
=10+10+10+10
=40
b: =(34-14)+(35-15)+(36-16)+(37-17)
=20+20+20+20
=80
a, =(21-11)+(22-12)+(23-13)+(24-14)
=10+10+10+10
=40
b. =(34-14)+(35-15)+(36-16)+(37-17)
=20+20+20+20
=80
c,55+56+57+58-35-36-37-38
=111+57+58-35-36-37-38
=168+58-35-36-37-38
=226-35-36-37-38
=191-36-37-38
=155-37-38
=118-38
=80
34+35+36+37-14-15-16-17 = ?
34 + 35 + 36 + 37 - 14 - 15 - 16 - 17
= ( 34 - 14 ) + ( 35 - 15 ) + ( 36 - 16 ) + ( 37 - 17 )
= 20 + 20 + 20 + 20
= 20 x 4
= 80
34+35+36+37-14-15-16-17
\(34+35+36+37-14-15-16-17\)
\(=\left(34-14\right)+\left(35-15\right)+\left(36-16\right)+\left(37-17\right)\)
\(=20+20+20+20\)
\(=20.4\)
\(=80\)
34+35+36+37-14-15-16-17
=\(\left(34-14\right)\)+\(\left(35-15\right)\)+\(\left(36-16\right)\)+\(\left(37-17\right)\)
=20+20+20+20
=80
34+35+36+37-14-15-16-17
=(34-14)+(35-15)+(36-16)+(37-17)
=20+20+20+20
=80