a, ( 2354- 45 ) - 2354
b, ( 16 + 23 ) + ( 153 - 16 - 23 )
c, -3752 - ( 29 - 3632 ) - 51
d, 4524 - ( 864 - 999 ) - ( 36 + 3999 )
e, ( 1456 + 23 ) - 1456
g, ( 116 + 124 ) - ( 215 - 116 - 124 )
a, ( 2354- 45 ) - 2354
b, ( 16 + 23 ) + ( 153 - 16 - 23 )
c, -3752 - ( 29 - 3632 ) - 51
d, 4524 - ( 864 - 999 ) - ( 36 + 3999 )
e, ( 1456 + 23 ) - 1456
g, ( 116 + 124 ) - ( 215 - 116 - 124 )
a, 4524 - ( 864 - 999 ) - ( 36 + 3999 )
b, ( 1456 + 23 ) - 1456
c, ( 116 + 124 ) - ( 215 - 116 - 124 )
a, ( 2354- 45 ) - 2354
b, ( 16 + 23 ) + ( 153 - 16 - 23 )
c, -3752 - ( 29 - 3632 ) - 51
a,
= 2354 - 45 - 2354
= -45
b,
= 16 + 23 + 153 - 16 - 23
= 153
c,
= -3752 - 29 + 3632 - 51
= ( 3632 - 3752 ) - ( 29 + 51 )
= -120 - 80
= -200
a,
= 2354 - 45 - 2354
= -45
b,
= 16 + 23 + 153 - 16 - 23
= 153
c,
= -3752 - 29 + 3632 - 51
= ( 3632 - 3752 ) - ( 29 + 51 )
= -120 - 80
= -200
TÍNH BẰNG CÁCH HỢP LÍ ☠
a) -3752-( 29-3632)-51
b) 4524-(12-3999)-(4524+3999)
c) (-116+124 )-(215-116+124)
d)(-435+167+89)-(-435+89)
a ( - 59 + 71 - { - 83 - ( 95 )}
b - 257 - {( - 257 + 156 ) - 56 }
c ( 435 - 167 ) - 89 ( 435 - 89 )
d -329 + ( 15 - 101 ) - ( 25 - 440 )
e ( 116 + 124 ) + ( 215 - 116 - 124 )
f 4524 - ( 864 - 999 ) - ( 36 - 999 )
a: \(-59+71-\left\{-83-\left(95\right)\right\}\)
\(=71-59+81+95\)
\(=12+81+95\)
\(=93+95=188\)
b: \(-257-\left\{\left(-257+156\right)-56\right\}\)
\(=-257-\left(-257+156-56\right)\)
\(=-257-\left(-257+100\right)\)
\(=-257+257-100=-100\)
c: Sửa đề:\(\left(435-167\right)-89-\left(435-89\right)\)
\(=435-167-89-435+89\)
=\(\left(435-435\right)+\left(-89+89\right)-167\)
=0+0-167
=-167
d: \(-329+\left(15-101\right)-\left(25-440\right)\)
\(=-329+15-101-25+440\)
\(=\left(440-329-101\right)+\left(15-25\right)\)
=10-10
=0
e: \(\left(116+124\right)+\left(215-116-124\right)\)
\(=116+124+215-116-124\)
\(=\left(116-116\right)+\left(124-124\right)+215\)
=0+0+215
=215
f: \(4524-\left(864-999\right)-\left(36-999\right)\)
\(=4524-864+999-36+999\)
\(=4524-\left(864+36\right)+999\cdot2\)
\(=4524-900+1998=5622\)
A)38-815-(-65-815)
B)(43+863)-(137-57)
C)(27-514)-(486-73)
D)(3784+23)-3785-15
E)-3752-(29-3632)-51
G)-2023-(-2023-2021)
H)4524-(864-999)-(36+999)
a, 38 - 815 - (65 - 815)
= 38 - 815 - 65 + 815
= 38 - (815 - 815) - 65
= 38 - 0 - 65
= - (65 - 38)
= - 27
b, (43 + 863) - (137 - 57)
= 906 - 80
= 826
(27 - 514) - (486 - 73)
= 27 - 514 - 486 + 73
= (27 + 73) - (514 + 486)
= 100 - 1000
= - 900
3752 - (29-3632)-51
b B =4524 - (864-999)-(36+3999)
c 1000 - (137 +572) + (263 -291)
a . A = 3752 - (29-3632)-51
b B =4524 - (864-999)-(36+3999)
c 100 - (137 +572) + (263 -291)
nhanh và chính xác hộ mình ko tối nay nha
a)3752-(29-3632)-51
=3752+(-29)+3632-51
=[3752+3632]-(29+51)
=120-80
=40
b) 4524-(864-999)-(36+3999)
=4524-864+999-36-3999
=(4524-864)-(3999-999)-36
=3660- 3000-36
=660-36
=624
c)100 - (137 +572) + (263 -291)=-637
a,A=3752-(29-3632)-51
A=3752-(-3603)-51
A= -7304
b,B=4524-(864-999)-(36+3999)
B=4524-(-135)-4035
B=624
c,100-(137+572)+(263-291)
=100-709+(-28)
=-609+(-28)
=-637
1/ Tính nhanh <nếu có thể>
a. -3752-(29-3632)-51
b.4524-(864-999)-(36+3999)
giải giúp mik nha các bn
b. 4524-(864-999)-(36+3999)
= 4524-864+999-36-3999
= 3660+999-36-3999
= 3660 +339+660-36-3999
=3999+660-36-3999
= (3999-3999)+(660-36)
= 0 + 624=624