如题所述
第1个回答 2020-02-14
解:52×43+26×14等于( 2600 )
∵已知需求出52×43+26×14等于多少
X × Y + X × Z = X × ( Y + Z)
∴52 × 43 + 26 × 14
= 52 × 43 + 26 × (2 × 7)
= 52 × 43 + 26 × 2 × 7
= 52 × 43 + 52 × 7
= 52 × (43 + 7)
= 52 × 50
= 2600
答:52×43+26×14等于2600本回答被网友采纳
∵已知需求出52×43+26×14等于多少
X × Y + X × Z = X × ( Y + Z)
∴52 × 43 + 26 × 14
= 52 × 43 + 26 × (2 × 7)
= 52 × 43 + 26 × 2 × 7
= 52 × 43 + 52 × 7
= 52 × (43 + 7)
= 52 × 50
= 2600
答:52×43+26×14等于2600本回答被网友采纳
第2个回答 2020-02-14
52×43+26×14
=52×43+26x2x7
=52x(43+7)
=52x50
=2600
=52×43+26x2x7
=52x(43+7)
=52x50
=2600