x+20=50.2-50
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
\(a,=75+60-13=122\\ b,=250-25+40=265\\ c,=4+100-9=95\\ d,=45+80-27=98\\ e,=5^3-100=125-100=25\\ g,=5+5=10\)
\(37.10+37.50+50.2+50\)
\(=37.\left(10+50\right)+50.\left(2+1\right)\)
\(=37.60+50.3\)
\(=2220+150\)
\(=2370\)
\(48\div4+3^9\div3^7+5^0\)
\(=12+9+1\)
\(=22\)
\(\left(5^{19}\div5^{17}+3\right)\div7\)
\(=\left(25+3\right)\div7\)
\(=28\div7\)
\(=4\)
\(295-\left(32-2^2\times5\right)^2\)
\(=295-144\)
\(=151\)
\(6^2\div9+50\times2-3^3\times3\)
\(=36\div9+100-27\)
\(=4+100-27\)
\(=100-27\)
\(=73\)
48:4+39:37+50
=48:4+32+1
=12+9+1=22
(519:517+3):7
=(52+3):7
=(25+3):7
=28:7=4
295-(31-22.5)2
=295-(31-4.5)2
=295-(31-20)2
=295-112
=295-121
=174
62:9+50.2-33.3
=36:9+50.2-34
=4+100-81
=23
\(3,8\times2,5< x< 50,2:4\)
\(\Rightarrow9,5< x< 12,55\)
Ta tìm được các giá trị x lần lượt là: 10; 11; 12
\(3,8.2,5< x< 50.\frac{2}{4}\)
\(\Rightarrow9,5< x< 25\)
\(\Rightarrow x\left\{10,11,12,13,14,15,16,17,18,19,20,21,22,23,24\right\}\)
x + 100 = 50 x 2 + 100 - 100 + 200 - 800 + 1 000
x + 100 = 100 + 100 - 100 + 200 - 800 + 1 000
x + 100 = 100 + 200 - 800 + 1 000
x + 100 = ( -500) + 1 000
x + 100 = 500
x = 500 - 100
x = 400.
x+100=50.2+100-100+200-800+1000
x+100=100+100-100+200-800+1000
x+100=200-100+200-800+1000
x+100=100+200-800+1000
x+100=300-800+1000
x+100=-500+1000
x+100=500
x=500-100
x=400
20 + 20 + 20 + 20 + 20 + 50 + 50 + 50 + 50
= 20 x 5 + 50 x 4
= 100 + 50 x 4
= 100 + 200
= 300
x + 50 - 20 = 50 + 20
x + 50 - 20 = 70
x + 50 = 70 + 20
x + 50 = 90
x = 90 - 50
x = 40
Ủng hộ tíck mik nha !!!
x + 20 = 50 . 2 -50
x + 20 = 100 - 50
x + 20 = 50
x = 50 - 20
x= 30
x+20=50.2-50
x+20=100-50
x+20=50
x=50-20
x=30