a/=17,58x(43+57)
=17,58x100
=1758
b/=43,57x2,6x(630-630)
=43,57x2,6x0
=0
\(17,58\times43+57\times17,58\)
\(=17,58\times\left(43+57\right)\)
\(=17,58\times100=1758\)
\(43,57\times2,6\times\left(630-315\times2\right)\)
\(=43,57\times2,6\times0\)
\(=0\)
a, 17,58 x 43 + 57 x 17,58
= 17,58 x ( 43 + 57 )
= 17,58 x 100
= 1758
b, 43,57 x 2,6 x ( 630 - 315 x 2)
= 43,57 x 2,6 x ( 630 - 630 )
= 43,57 x 2,6 x0
= 43,57 x 0
= 0
\(a,17,58\times43+57\times17,58\)
=\(17,58\times\left(43+57\right)\)
\(=17,58\times100\)
\(=1758\)
\(b,43,57\times2,6\times\left(630-315\times2\right)\)
\(=43,57\times2,6\times\left(630-630\right)\)
\(=\)\(43,57x2,6x0\)
\(=0\)
a) 17.58 x 43 + 57 x 17.58
= 17.58 X ( 43 + 57 )
= 17.58 X 100
= 1758
B) 43.57 x 2.6 x ( 630 - 315 x 2 )
= 43.57 x 2.6 x 0
= 43.57 x 0
= 0
a,17,58*43+57*17,58
=17,58*(43+57)
=17,58*100
=1758
b,43,57*2,6*(630-315*2
=43,57*2,6*(630-630)
=43,57*2,6*0
=113,282*0
=0
ai thấy đúng thì k nhé
17,58 × 43 + 57 × 17,58
= 17,58 × ( 43 + 57 )
= 17,58 × 100
= 17,58
43,57 × 2,6 × ( 630 - 315 × 2 )
= 43,57 × 2,6 × 0
= 0
A) 17,58 x 43 + 57 x 17,58
= 17,58 x ( 43 + 57 )
= 17,58 x 100
= 1758
Ủng hộ mk nha
a, 17,58 x 43 + 57 x 17,58
= 17,58 x (43 + 57)
= 17,58 x 100
= 1758
b, 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
= 0
a, 17,58 x 43 + 57 x 17,58
= 17,58 x (43 + 57)
= 17,58 x 100
= 1758
b, 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
= 0
17,58 x(43+57)= 17,58x100=1758;43
,57x2,6(630-630)=43,57x2,6x0=113,282
