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a, 17,58 x 43 + 57 x 17,58
=17,58x(43+57)
=17,58x100
=1758
b, 43,57 x 2,6 x ( 630 - 315 x 2 )
= 43,57 x 2,6 x0
=0
c, 1996 + 3992 + 5988 + 7984
=1996+7984+3992+5988
=9980+9980
=2x9980
=19960
d, 2 x 3 x 4 x 8 x 50 x 25 x 125
=8x125x4x25x6
=1000x100x6
=1000x600
=600000
~~~~~~~~~~~~Ai đi qua nhớ để lại
= 43.57 * 2.6 * (630 - 315 * 2 )
= 43.57 * 2.6 *( 630 - 630 )
= 43.57 * 2.6 * 0
= 0
43,57 x 2,6 x ( 630 - 315 x 2 )
= 43,57 x 2,6 x ( 630 - 630)
= 43,57 x 2,6 x 0
= 113,282 x 0
= 0
43,57 x 2,6 x( 630 - 315 x 2 )
=43,57 x 2,6 x ( 630 - 630 )
=43,57 x 2,6 x 0
=43,57 x ( 2,6 x 0 )
=43,57 x 0 = 0
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