Tính giá trị biểu thức:
a) 7 x (2140 - 179) + 1484
=...........................................................=.....................................................=.....................................................
b) 12864 : (24 : 6) = .........................................................................................=..................................................
a)7x(2140-179)+1484
=7x1961+1484
=13727+1484
=15211
b)12864:(24:6)
=12864:4
=3216
7 x ( 2140- 179) + 1484
=7 x 1961 + 1484
=13727+1484
=15211
12864 : (24 : 6)
=12864 : 4
=3216
a)7×(2140-179)+1484
=7×1961+1484
=13727+1484
=15211
b)12864:(24:6)
=12864:4
=3216
a) 7 x ( 2140 - 179 ) + 1484
= 7 x 1961 + 1484
= 13727 + 1484
= 15211 .
b ) 12864 : ( 24 : 6 )
= 12864 : 4
= 3216 .
