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A = 12 : {390 : [500 - (125 + 35.7)]}
A = 12 : {390 : [500 - (125 + 245)]}
A = 12 : {390 : [500 - 370]}
A = 12 : {390 : 130}
A = 12 : 3 = 4
B = 12000 - (1500 . 2 + 1800.3 + 1800.2 : 3)
B = 12000 - (3000 + 5400 + 1200)
B = 12000 - 9600 = 2400
C = \(\frac{11\cdot3^{22}\cdot3^7-9^{15}}{\left(2\cdot3^{14}\right)^2}=\frac{11\cdot3^{22}\cdot3^7-\left(3^2\right)^{15}}{2^2\cdot3^{28}}=\frac{11\cdot3^{29}-3^{30}}{2^2\cdot3^{28}}=\frac{11\cdot3\cdot3^{28}-3^2\cdot3^{28}}{2^2\cdot3^{28}}\)
\(=\frac{33\cdot3^{28}-9\cdot3^{28}}{4\cdot3^{28}}=\frac{\left(33-9\right)\cdot3^{28}}{4\cdot3^{28}}=\frac{24}{4}=6\)
a,
= ( 5016 + 912 ) . 37 : 13 : 14
= 5928 . 37 : 13 : 14
= 219336 : 13 : 14
= 16872 : 14
= 1205,142857
b, 22 . 3 : { 390 : [ 53 . 22 - ( 125 + 35 . 7 ) ] }
= 22 . 3 : { 390 : [ 53 . 22 - ( 125 + 245 ) ] }
= 22 . 3 : { 390 : [ 53 . 22 - 370 ] }
= 22 . 3 : { 390 : [ 125 . 4 - 370 ] }
= 22 . 3 : { 390 : [ 500 - 370 ] }
= 22 . 3 : { 390 : 130 }
= 22 . 3 : 3
= 4 . 3 : 3
= 4
a,
= ( 5016 + 912 ) . 37 : 13 : 14
= 5928 . 37 : 13 : 14
= 219336 : 13 : 14
= 16872 : 14
= 1205,142857
b, 22 . 3 : { 390 : [ 53 . 22 - ( 125 + 35 . 7 ) ] }
= 22 . 3 : { 390 : [ 53 . 22 - ( 125 + 245 ) ] }
= 22 . 3 : { 390 : [ 53 . 22 - 370 ] }
= 22 . 3 : { 390 : [ 125 . 4 - 370 ] }
= 22 . 3 : { 390 : [ 500 - 370 ] }
= 22 . 3 : { 390 : 130 }
= 22 . 3 : 3
= 4 . 3 : 3
= 4
a.\(\left[545-\left(45+4.25\right)\right]:50-2000:250+2^{15}:2^{13}\)
=\(\left[545-145\right]:50-8+2^2\)
=\(400:50-8+4\)
=8-8+4
=4
b.\(\left[504-\left(25.8+70\right)\right]:9-15+9^0\)
=\(\left[504-270\right]:9-15+1\)
=234:9-14
=26-14
=12
a)35-(12-(-14+(-2)))
=35-(12-(-12))
=35-(12+12)
=35-24
=11
b)49-(-54)-23
=49+54-23
=103-23
=80
c)5871:(928-((-82)+247))×5)
=5871:(928-165×5)
=5871:(928-825)
=5871:103
=57
a) A=(5016 +912).37:13:74
A=5928.37:(13.74)
A=219336: 962
A=228
b) B=[(315+372).(3+7)]:(338+1036)
B=(687.10):1374
B=6870:1374
B=5
=\((11.3^{29}-\left(3^2\right)^{15}):(2^2.3^{28})\)
=\((11.3^{29}-3^{30}):(2^2.3^{28})\)
=\((11.3^{29}-(3^{29}.3):(2^2.3^{28})\)
=\(\frac{3^{29}.(11-3)}{3^{28}.4}\)
=\(\frac{3.8}{4}\)=\(\frac{3.2}{1}\)=6
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