- 84 : 4 + 39 : 37 + 50
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84:4 + 39 : 37 + 50
= 21 + 32 + 1
= 21 + 9 + 1
= 30 + 1
= 31
`@` `\text {Ans}`
`\downarrow`
`a)`
`84 \div 4 + 3^9 \div 3^7 + 5^0`
`= 21 + 3^2 + 1`
`= 21 + 9 + 1`
`= 30 + 1`
`= 31`
\(a,=75+60-13=122\\ b,=250-25+40=265\\ c,=4+100-9=95\\ d,=45+80-27=98\\ e,=5^3-100=125-100=25\\ g,=5+5=10\)
a)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
\(a)\) \(5^{13}:5^{10}-25.2^2=5^3-25.4=125-100=25\)
\(b)\) \(20:2^2+5^9:5^8=20:4+5^1=5+5=10\)
\(c)\) \(100:5^2+7.3^2=100:25+7.9=4+36=40\)
\(d)\) \(84:4+3^9:3^7+5^0=84:4+3^2+1=21+9+1=31\)
\(e)\)
\(29-\left[16+3.\left(51-49\right)\right]=29-\left[16+3.2\right]=29-\left[16+6\right]=29-22=7\)
\(f)\) \(5.2^2+98:7^2=5.4+98:49=20+2=22\)
\(g)\) \(3^{11}:3^9-147:7^2=3^2-147:49=9-3=6\)
\(295-\left(31-2^2.5\right)^2=295-\left(31-4.5\right)^2=295-\left(31-20\right)^2=295-11^2=295-121=174\)
\(7^{18}:7^{16}+2^2.3^2=7^2+4.9=49+36=85\)
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
= 15210
s mik mik s lại
50 + 200 x 37 - 39 : 3 + 456 - 324 + 9588 x \(\frac{3}{4}\)= 14760
\(48\div4+3^9\div3^7+5^0\)
\(=12+9+1\)
\(=22\)
\(\left(5^{19}\div5^{17}+3\right)\div7\)
\(=\left(25+3\right)\div7\)
\(=28\div7\)
\(=4\)
\(295-\left(32-2^2\times5\right)^2\)
\(=295-144\)
\(=151\)
\(6^2\div9+50\times2-3^3\times3\)
\(=36\div9+100-27\)
\(=4+100-27\)
\(=100-27\)
\(=73\)
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
-84 : 4 + \(3^9:3^7+5^0=-21+3^2+1=-21+9+1=-11\)
= -11