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38+41+117+159+62 =
= 79 + 276 + 62
= 985 + 62
= 1047
Ai k mik mik sẽ k lại nha !
a) 38 + 41 + 117 + 159 + 62
= ( 38 + 62 ) + ( 41 + 159 ) + 117
= 100 + 200 + 117
= 300 + 117
= 417
b) 42 . 53 + 47 . 156 - 47 .114
= 42 . 53 + 47 . ( 156 - 114 )
= 42 . 53 + 47 x 42
= 42 . ( 53 + 47 )
= 42 x 100
= 4 200
a,38 + 41 + 117 + 159 + 62
= 38 + 62 + 41 + 159 +117
= ( 38 + 62 ) + ( 41 + 159 ) + 117
= 100 + 200 + 117
= 300 + 117
= 417
b, 42 x 53 + 47 x 156 - 47 x 114
= 42 x 53 + 47 x ( 156 - 114 )
= 42 x 53 + 47 x 42
= 42 x ( 53 + 47 )
= 42 x 100
= 4200
a.38 + 41 + 117 + 159 + 62 = (38 + 62) + (41 + 159) + 117 = 100 + 200 + 117 = 300 + 117 = 417
b.341 x 67 + 659 x 83 + 341 x 16 = 341 x (16 + 67) + 659 x 83 = 341 x 83 + 659 x 83 = (341 + 659) x 83 = 1000 x 83 = 83000
a) 38 + 41 + 117 + 159 + 62 = ( 38 + 62 ) + ( 41 + 159 ) + 117 = 100 + 200 + 117 = 417
b) 341 . 67 + 659 . 83 + 342 . 16 = ( 341 + 659 ) . ( 67 + 83 ) . 342 . 16 = 1000 . 150 . ( 342 + 16 ) = 53 700 000
nhớ ủng hộ cho mik với nha các bn
a) 38 + 41 + 117 + 159 + 62 = ( 38 + 62 ) + ( 159 + 41 ) + 117 = 100 + 200 + 117 = 300 + 117 = 417
b) 73 + 86 + 968 + 914 + 3032 = ( 914 + 86 ) + ( 3032 + 968 ) + 73 = 1000 + 4000 + 73 = 5000 + 73 = 5073
c) 341 x 67 + 341 x 16 + 659 x 83 = 341 x ( 67 + 16 ) + 659 x 83 = 28303 + 54679 = 82982
d) 42 x 53 + 47 x 156 + 47 x 114 = 47 x ( 156 + 114 ) + 42 = 12690 + 42 = 12732
\(a,38+41+117+159+62\\ =\left(38+62\right)+\left(41+159\right)+117\\ =100+200+117\\ =300+117\\ =417.\\ b,73+86+914+3032\\ =73+1000+3032\\ =1073+3032\\ =5150.\\ c,314.67+314.16+659.83\\ =314.\left(67+16\right)+659.83\\ =314.83+659.83\\ =83.\left(314+659\right)\\ =83.937\\ =?\)
Bn xem lại phần \(c,\) .
\(d,42.53+47.156-47.114\\ =42.53+47.\left(156-114\right)\\ =42.53+47.42\\ =42.\left(53+47\right)\\ =42.100\\ =4200.\)
a) \(38+41+117+159+62=(38+62)+(41+159)+117 \)
\(=100+200+117 =300+117 =417\)
b) \(73+86+968+914+3032=(86+914)+(968+3032)+73\)
\(=1000+4000+73=5073\)
c) \(341.67+341.16+659.83 =341.(67+16)+659.83 =341.83+659.83\)
\(=83.(341+659) =83.1000=83000\)
d) \(42.53+47.156-47.114 =42.53+47(156-114) =42.53+47.42 =42.(53+47)=42.100=4200\)
a, ( 38 + 62 ) + ( 41 + 159 ) + 117
= 100 + 200 + 117
= 417
b, ( 968 + 3032 ) + ( 86 + 914 ) + 73
= 4000 + 1000 + 73
= 5073
c, 341 x ( 67+ 16 ) + 659 x 83
= 341 x 83 + 659 X 83
= 83 x ( 341 + 659 )
= 83 x 1000
= 83000
d, 42 x 53 + 47 x ( 156 - 114 )
= 42 x 53 + 47 x 42
= 42 x ( 53 + 47 )
= 42 x 100
4200
- a,=[38+62]+[41+159]+117 =100+200=300+117 =417 b,=[86+914]+[968+3032]+73 =1000+4000 =5000+73
=5073
= 246 + ( 159 + 800 ) x 62
= 246 + 959 x 62
= 246 + 59458
= 59704
Nhớ k cho mình nhé! Thanks bạn
41 . 6 + 159 . 62 + 800 . 62
= ( 41 + 159 + 800 ) . 62 + 6
= 1000 . 62 + 6
= 62000 + 6
= 62006