bài 5 tính nhanh
a, 1990 .1990 - 1992 . 1988
b, ( 1374 . 57 + 687 .86) : ( 870+235.122)
c, ( 124.237 +152 ) : ( 870+235.122)
d, 423134 . 846267 - 423133/ 846267 . 423133 + 423134
#Toán lớp 6a, 1990 .1990 - 1992 . 1988
b, ( 1374 . 57 + 687 .86) : ( 870+235.122)
c, ( 124.237 +152 ) : ( 870+235.122)
d, 423134 . 846267 - 423133/ 846267 . 423133 + 423134
(124.237+152):(870+235.122)
( 124.237 +152 ) : ( 870+235.122)
h)(124.237 +152) : ( 870+ 235.122)
Tính nhanh (124.237+152):(870+235.122)
(124.237+152):(870+235.122)
TÍnh nhanh
( 124.237 +152) :(870+235.122)
Bài 1: Tính nhanh:
[124.237+152] :[870+235.122]