- 84 : 4 + 39 : 37 + 50
84 :4 + 39 : 37 + 50
84:4 + 39 : 37 + 50
= 21 + 32 + 1
= 21 + 9 + 1
= 30 + 1
= 31
a) 84 : 4 + 39 : 37 + 50
a) 84 : 4 + 39 : 37 + 50
`@` `\text {Ans}`
`\downarrow`
`a)`
`84 \div 4 + 3^9 \div 3^7 + 5^0`
`= 21 + 3^2 + 1`
`= 21 + 9 + 1`
`= 30 + 1`
`= 31`
84 : 4 + 39 : 37 + 50
= 84 : 4 + 32 + 1
= 84 : 4 + 9 + 1
= 21 + 9 + 1
= 30 + 1
= 31
Bài 1:Thựchiệnphéptính:
a) 3.52 + 15.22 – 26:2 b)53.2 – 100 : 4 + 23.5 c)62 : 9 + 50.2 – 33.3
d)32.5 + 23.10 – 81:3 e)513 : 510 – 25.22g)20 : 22 + 59 : 58
h)100 : 52 + 7.32 h)84 : 4 + 39 : 37 + 50 i)29 – [16 + 3.(51 – 49)]
mk cần gấp
\(a,=75+60-13=122\\ b,=250-25+40=265\\ c,=4+100-9=95\\ d,=45+80-27=98\\ e,=5^3-100=125-100=25\\ g,=5+5=10\)
a)
=\(3.5.5+3.5.2-13=3.5\left(5+2\right)-13=15.7-13=105-13=92\)
b)
\(=5^3.2-25+2^3.5=5.25-5.5+8.5=5\left(25-5+8\right)=5.28=140\)
c)
\(6^2:9+50.2-3^3.3=36:9+100-3^4\)
=\(4+100-81\)=23
a: \(3\cdot5^2+15\cdot2^2-26:2\)
\(=75+60-13\)
=122
b: \(5^3\cdot2-100:4+2^3\cdot5\)
\(=250-25+40\)
=265
c: \(6^2:9+50\cdot2-3^3\cdot3\)
\(=4+100-9\)
=95
a) 100 : 52 + 7.32
b) 84 : 4 + 39 : 37 + 50
c) 29 – [16 + 3.(51 – 49)]
d) 5.22 + 98:72
a)100:25+7.9=4+16=20
b)84:4+9+1=31
c)29-(16+3.1)=10
d)5.4+98:49=20+2=22
a) 513 : 510 – 25.22
b) 20 : 22 + 59 : 58
c) 100 : 52 + 7.32
d) 84 : 4 + 39 : 37 + 50
e) 29 – [16 + 3.(51 – 49)]
f) 5.22 + 98:72
g) 311 : 39 – 147 : 72
h) 295 – (31 – 22.5)2
718 : 716 +22.33
\(a)\) \(5^{13}:5^{10}-25.2^2=5^3-25.4=125-100=25\)
\(b)\) \(20:2^2+5^9:5^8=20:4+5^1=5+5=10\)
\(c)\) \(100:5^2+7.3^2=100:25+7.9=4+36=40\)
\(d)\) \(84:4+3^9:3^7+5^0=84:4+3^2+1=21+9+1=31\)
\(e)\)
\(29-\left[16+3.\left(51-49\right)\right]=29-\left[16+3.2\right]=29-\left[16+6\right]=29-22=7\)
\(f)\) \(5.2^2+98:7^2=5.4+98:49=20+2=22\)
\(g)\) \(3^{11}:3^9-147:7^2=3^2-147:49=9-3=6\)
\(295-\left(31-2^2.5\right)^2=295-\left(31-4.5\right)^2=295-\left(31-20\right)^2=295-11^2=295-121=174\)
\(7^{18}:7^{16}+2^2.3^2=7^2+4.9=49+36=85\)
a: \(5^{13}:5^{10}-25\cdot2^2\)
\(=5^3-25\cdot4\)
=125-100
=25
b: \(20:2^2+5^9:5^8\)
\(=20:4+5\)
=5+5
=10
50 + 200 x 37 - 39 : 3 + 456 - 324 + 9588 x 3/4 =
50 + 200 x 37 - 39 : 3 + 456 - 324 + 9588 x 3/4
= 15210
s mik mik s lại
50 + 200 x 37 - 39 : 3 + 456 - 324 + 9588 x \(\frac{3}{4}\)= 14760
152 : 4 + 39 : 37 + 50 mn trả lời mình thả tim câu nhanh nhất nhé
89,054 054 05 nhé
/HT\
=\(\frac{3295}{37}\)
thực hiện các phép tính:
48:4+39:37+50
=
(519:517+3):7
=
295-(31-22.5)2
=
62:9+50.2-33.3
=
\(48\div4+3^9\div3^7+5^0\)
\(=12+9+1\)
\(=22\)
\(\left(5^{19}\div5^{17}+3\right)\div7\)
\(=\left(25+3\right)\div7\)
\(=28\div7\)
\(=4\)
\(295-\left(32-2^2\times5\right)^2\)
\(=295-144\)
\(=151\)
\(6^2\div9+50\times2-3^3\times3\)
\(=36\div9+100-27\)
\(=4+100-27\)
\(=100-27\)
\(=73\)
\(48:4+3^9:3^7+5^0\)
\(=12+3^{9-7}+1\)
\(=12+9+1\)
\(=22\)
\(\left(5^{19}:5^{17}+3\right):7\)
\(=\left(5^{19-17}+3\right):7\)
\(=\left(5^2+3\right):7\)
\(=\left(25+3\right):7\)
\(=28:7\)
\(=4\)
\(295-\left(31-2^2\cdot5\right)^2\)
\(=295-\left(31-4\cdot5\right)^2\)
\(=295-\left(31-20\right)^2\)
\(=295-11^2\)
\(=295-121\)
\(=174\)
\(6^2:9+50\cdot2-3^3\cdot3\)
\(=36:9+50\cdot2-3^4\)
\(=4+100-81\)
\(=23\)
\(48:4+3^9:3^7+5^0=12+3^2+1=12+9+1=22\)
\(\left(5^{19}:5^{17}+3\right):7=\left(5^2+3\right):7=\left(25+3\right):7=28:7=4\)
\(295-\left(31-2^2.5^2\right)=295-\left(31-10^2\right)=295-\left(31-100\right)=295-\left(-69\right)=364\)
\(6^2:9+50.2-3^3.3=36:9+100-3^2=4+100-9=95\)