a) 4x7x5
=(4x5)x7
=20x7
=140
b) 15x9x2
=(15x2)x9
=30x9
=270
c) 25x895x4
=(25x4)x895
=100x895
=89500
d) 2x3238x50
=(2x50)x3238
=100x3238
=323800
tk nhé
ui avatra idol tui
25x(-5)x7x(-4)x2=?
25x(-5)x7x(-4)x2=?
4 x 347 x 25
a) 4 x 7 x 5
=(4x5)x7
=20x7
140
b)15x9x2
=(15x2)x9
=30x9
=270
c)25x895x4
=(25x4)x895
=100x895
=89500
tk nhé