= -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
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