273.(-26)+26.137
Tính: 237.(-26) + 26.137
237. (–26) + 26 .137
= – 237 . 26 + 26 . 137
= 26 . (–237 + 137)
= 26 . (–100) = –2600
cứa mình
(-237).26+26.137
( -237 ) . 26 + 26 . 137
= 26 . ( -237 + 137 )
= 26 . -100
= -2600.
-237.26 + 26.137
= 26.(-237 + 137)
= 26.(-100)
= -2600
tính:237.(-26)+26.137
237.(-26)+26.137
=26.137+237.(-26)
=26.137+237.(-1).26
=26.137-26.237
=26(137-237)
=26.(-100)
=(-2600)
Đúng thì **** ủng hộ nha !!
Tính:
a)237.(-26)+26.137
b)63.(-25)+25.(-23)
a) 237 . ( -26 ) + 26 . 137
= ( - 237 ) . 26 + 26 . 137
= 26 . [ ( -237 ) + 137 ]
= 26 . ( -100 )
= -2600
b) 63 . ( -25 ) + 25 . ( -23 )
= ( -63 ) . 25 + 25 . ( -23 )
= 25 . [ ( -63 ) + ( -23 ) ]
= 25 . ( -86 )
= -2150
237 . (-26)+26.137
63 .(-25)+25.(-23)
các bạn làm nhanh hộ mình và đúng trong hôm nay nha thank
237 . ( -26 ) + 26 . 137
= ( -237 ) . 26 + 26 . 137
= 26 . [ ( -237 ) + 137 ]
= 26 . ( -100 )
= -2600
63 . ( -25 ) + 25 . ( -23 )
= ( -63 ) . 25 + 25 . ( -23 )
= 25 . [ ( -63 ) + ( -23 ) ]
= 25 . ( -86 )
= -2150
237.(-26)+26.137
= -237.26+26.137
= 26.(-237+137)
= 26.-100
= -2600
63.(-25)+25.(-23)
= -63.25+25.(-23)
= 25.[-63+(-23)]
= 25.(-86)
= -2150
237 . (-26)+26.137
=-6162 + 3562
=-2600
*63 .(-25)+25.(-23)
=-1575 + -575
=-2150
tinh nhanh
39.(19-13)-19.(39-13)
(42-69+17)-(42+17)
137.(-26)+26.137
-67.11
65.(-21)
-67x11=-67x(10+1)=-67x10+(-67)x1=-670+-67=-737
39.(19-13)-19.(39-13)
=39.19 - 39.13 - 19.39 - 19.13
=0
(42-69+17)-(42+17)
=42-69+17-42-17
=0-69+0
=-69
137.(-26)+26.137
=137[(-26)+26]
=137.0
=0
-67.11
=-67(10+1)
=-670+-67
=-737
65.(-21)
=65[-(10+10+1)]
=-650+-650+-65
=-1365
Tính:
a) 237.(-26) + 26.137 b) 63.(-25) + 25.(-23)
= -237. 26 + 26. 137
26.( - 237 + 137 )
=26. (-100)
= -2600
a) 237.(-26) + 26.137
= -237.26 + 26.137
= 26.(-237 + 137)
= 26.(-100)
= -2600
b) 63.(-25) + 25.(-23)
= -63.25 + 25.(-23)
= 25.(-63 - 23)
= 25.(-86)
= -2150
=63 . (-25 ) + (-25).23
-25 .(63+ 23)
-25 . 86
= -2150
1. = 13
2. = 346
3.= -69
4. = -2600
5. -2150
Tính :
a) \(237.\left(-26\right)+26.137\)
b) \(63.\left(-25\right)+25.\left(-23\right)\)
a) 237.(-26) + 26.137
= -237.26 + 26.137
= 26.(-237 + 137)
= 26.(-100)
= -2600
b) 63.(-25) + 25.(-23)
= -63.25 + 25.(-23)
= 25.(-63 - 23)
= 25.(-86)
= -2150
a) 237 . (-26) + 26 . 137 = -237 . 26 + 26 . 137 = 26 . (-237 + 137)
= 26 . (-100) = -2600.
b) Cách 1: 63 . (-25) + 25 . (-23) = -63 . 25 + 25 . (-23) = 25 . (-63 - 23)
= 25 . (-86) = -2150.
Cách 2: 63 . (-25) + 25 . (-23) = -1575 - 575 = -2150.
A)237. (-26) +26.137 =-237.26+26.137 =26. (-237+137) =26.(-100) = -2600
B) 63. (-25)+25. (-23) = -63.25-25.23 =25. (-63-23) =25. (-86) =-2150