如题所述
解:25×26等于( 650 )
∵已知需求出25×26等于几
∴25 × 26
= 25 × (30 - 4)
= 25 × 30 - 25 × 4
= 750 - 100
= 650
答:25×26等于650
∵已知需求出25×26等于几
∴25 × 26
= 25 × (30 - 4)
= 25 × 30 - 25 × 4
= 750 - 100
= 650
答:25×26等于650
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