{ 47-[736 : (5-3)^4]}x2015
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\(a,=4\cdot3-\left(1+1\right):2=12-2:2=12-1=11\\ b,=\left[47-\left(736:2^4\right)\right]\cdot2013=\left(47-736:16\right)\cdot2013=\left(47-46\right)\cdot2013=2013\)
f: =-46-64-91+220
=220-110-91
=110-91=19
g: =4-2:2=3
h: ={47-736:2^4}*2013
=2013(47-184)
=-137*2013=-275781
a) 22 . 31 - ( 12012 + 20120 ) . |-2|
= 4 . 3 - ( 1 + 1 ) . 2
= 12 - 2 . 2
= 10 . 2
= 20.
b) { 47 . [ 736 . ( 5 - 3 )4]} . 203
= { 47 . [ 736 . 24 ]} . 203
= { 47 . [ 736 . 16 ]} . 203
= { 47 . 11 776 } . 203
= 553 472 . 203
= 112 354 816
a,
=4.3 - (1+1).2
=12-2.2
=12-4=8
b {47 . [736-2^4]}.203
={47. [736-16]} . 203
={47 . 720} . 203
=33840. 203
=6869520
a) Phép tính =
\(2^2.3-\left(1+1\right):2\)
\(=4.3-2:2\)
\(=12-1=11\)
b) Phép tính =
\(\left\{47-\left[736:\left(5-3\right)^4\right]\right\}.2013\)
\(=\left\{47-\left[736:16\right]\right\}.2013\)
\(=\left(47-46\right).2013\)
\(=1.2013=2013\)
Hướng dẫn giải:
a) 736 : 32 = 23
b) 1701 : 27 = 64
c) 1648 : 47 = 35 (dư 3)
d) 1133 : 87 = 13 (dư 3)
2/25=.2../25 .27../36=3/4
3/.12..=9/36
15/27=5/..9..
..20..28=5/7
36/72=..1../2
\(\dfrac{2}{25}=\dfrac{2}{25}\)
\(\dfrac{27}{36}=\dfrac{3}{4}\)
\(\dfrac{3}{12}=\dfrac{9}{36}\)
\(\dfrac{15}{27}=\dfrac{5}{9}\)
\(\dfrac{20}{28}=\dfrac{5}{7}\)
\(\dfrac{36}{72}=\dfrac{1}{2}\)
{ 47 - [ 736 : (5 - 3)4 ] } . 2015
= [ 47 - (736 : 24 ) ] . 2015
= [ 47 - (736 : 16) ] . 2015
= (47 - 46) . 2015
= 1 . 2015
= 2015
={47-[736:2^4]}x2015
={47-[736:16]}x2015
={47-46}x2015
=1x2015=2015