22+15=???
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
(\(\frac{15}{22}\)-\(\frac{7}{13}\)) x \(\frac{13}{7}\)- \(\frac{15}{22}\) x(\(\frac{6}{7}\)- \(\frac{22}{15}\))
=(\(\frac{15}{22}\)x \(\frac{13}{7}\)- 1) - \(\frac{15}{22}\)x\(\frac{6}{7}\)-1
=\(\frac{15}{22}\)x \(\frac{13}{7}\)-\(\frac{15}{22}\)x\(\frac{6}{7}\)(vì -1+1=0)
=\(\frac{15}{22}\)x(\(\frac{13}{7}\)-\(\frac{6}{7}\))
=\(\frac{15}{22}\)
làm hơi tắt nha
\(\left(\frac{15}{22}-\frac{7}{13}\right).\frac{13}{7}-\frac{15}{22}.\left(\frac{6}{7}-\frac{22}{15}\right)\)
\(=\frac{15}{22}.\frac{13}{7}-\frac{7}{13}.\frac{13}{7}-\frac{15}{22}.\frac{6}{7}+\frac{15}{22}.\frac{22}{15}\)
\(=\frac{15}{22}.\left(\frac{13}{7}-\frac{6}{7}\right)-1+1\)
\(=\frac{15}{22}.1-1+1\)
\(=\frac{15}{22}-\left(1-1\right)\)
\(=\frac{15}{22}-0\)
\(=\frac{15}{22}\)
=3/22-(7/15+3/22)+7/15-1/2
=3/22-7/15-3/22+7/15-1/2
=(3/22-3/22)+(7/15-7/15)-1/2
=0+0-1/2
=-1/2
1; (15 + 22) + (135 - 15 - 22)
= 15 + 22 + 135 - 15 - 22
= (15 - 15) + (22 - 22) + 135
= 0 + 0 + 135
= 135
22 . (-115) + 15.22 - 202.4
= 4.(-115) + 15.4 - 808
= (-460) + 60 - 808
= (-400) - 808
= (-1208)
2².(-115) + 15.2² - 202.4
= 4.(-115) + 4.15 - 202.4
= 4.(-115 + 15 - 202)
= 4.(-302)
= -1208
\(23+23-11=22+23-10\)
\(56+21-15=21+56-15\)
\(44+44-22>46+41-26\)
\(23+23-11>22+22-10\)
\(56+21-15=21+56-15\)
\(44+44-22>46+41-26\)
Câu kia sai đừng k
23 + 23 - 11 > 22 + 22 -10
56 + 21 - 15 = 21 + 56 - 15
44 + 44 - 22 > 46 + 41 - 26
23 + 23 -11 > 22 + 22 - 10
56 + 21 - 11 = 21 + 56 - 15
44 + 44 - 22 > 46 + 41 - 26
`-18/22=(-18 \div 2)/(22 \div 2)=-9/11 -> -18/22= -9/11`
22+15=37
nhớ cho mk nha!
=37
k mk nhé
thank you