40 x 70 + 40 x 10 + 40 x 20 = 40 x ( 70 + 10 + 20 ) =40 x 100 = 4000
40x70+40x10+40x20
= 40x(70+10+20)
= 40x 100
= 4000
ai k mk, mk k lại
40x70+40x10+40x20
=40x(70+10+20)
=40x100
=4000
40 x 70 + 40 x 10 + 40 x 20
= 40 x ( 70 + 10 + 20 )
= 40 x 100
= 4000
\(40\times70+40\times10+40\times20.\)
\(=40\times\left(70+10+20\right)\)
\(=40\times\left(80+20\right)\)
\(=40\times100\)
\(=4000\)
40x70+40x10+40x20=40x(70+10+20)
=40x100
=400
♥ k mik nha các bn♥
40x70+40x10+40x20
=40x(70+10+20)
=40x100
=4000
40x70+40x10+40x20
=40x(70+10+20)
=40x100
=4000
40x70+40x10+40x20
=40x(70+10+20)
=40x100
=4000
40x70+40x10+40x20
=40x(70+10+20)
=40x100
=4000
40.70+40.10+40.20
=40.(70+10+20)
=40.100
=4000
40 x 70 + 40 x 10 + 40 x 20
= 40 x ( 70 + 10 + 20 )
= 40 x 100
= 4000
