52.17+13.52+42.30
=52.(17+13)+42.30
=52.30+42.30
=(52+42).30
=94.30
=(100-6).30
=100.30-6.30
=3000-180
=2820
52 x 17 + 13 x 52 + 42 x 30
= 52 x (17 + 13) + 42 x 30
= 52 x 30 + 42 x 30
= 30 x ( 52 + 42)
= 30 x 94
= 2820
52.17+13.52+42.30
=52.(17+13)+42.30
=52.30+42.30
=(52+42).30
=94.30
=(100-6).30
=100.30-6.30
=3000-180
=2820
52.17+13.52+42.30
=52.(17+13)+42.30
=52.30+42.30
=(52+42).30
=94.30
=(100-6).30
=100.30-6.30
=3000-180
=2820
52.17+13.52+42.30
=52.(17+13)+42.30
=52.30+42.30
=(52+42).30
=94.30
=(100-6).30
=100.30-6.30
=3000-180
=2820
\(52\times17+13\times52+42\times30.\)
\(=52\times\left(17+13\right)+42\times30\)
\(=52\times30+42\times30\)
\(=30\times\left(52+42\right)\)
\(=30\times94\)
\(=2820\)
52.17+13.52+42.30
=52.(17+13)+42.30
=52.30+42.30
=(52+42).30
=94.30
=(100-6).30
=100.30-6.30
=3000-180
=2820
52.17+13.52+42.30
=52.(17+13)+42.30
=52.30+42.30
=(52+42).30
=94.30
=(100-6).30
=100.30-6.30
=3000-180
=2820
52.17+13.52+42.30
=52.(17+13)+42.30
=52.30+42.30
=(52+42).30
=94.30
=(100-6).30
=100.30-6.30
=3000-180
=2820
52x17+13x52+42x30
=52x(17+13)+42x30
=52x30+42x30
=30x(52+42)
=30x94=30x(100-6)=30x100-30x6=3000-180=2820
52.17+13.52+42.30
=52.(17+13)+42.30
=52.30+42.30
=30.(52+42)
=30.94
=2820
Chúc bn học tốt ^^
52 * (17 + 13 ) + 42 *30
52 * 30 + 42* 30
30 * ( 52 + 42 )
30 * 94
2820
52 x 17 + 13 x 52 + 42 x 30
= 52 x ( 17 + 13 ) + 42 x 30
= 52 x 30 + 42 x 30
= 30 x ( 52 + 42)
=30 x 94
= 30 x (100 - 6 )
= 30 x 100 - 30 x 6
= 3000-180
=2920