
90×25等于几
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解:90×25等于( 2250 )
∵已知需求出90×25等于几
∴90 × 25
= (9 × 10)× 25
= 9 × 10 × 25
= 9 × 25 × 10
= 225 × 10
= 2250
答:90×25等于2250
∵已知需求出90×25等于几
∴90 × 25
= (9 × 10)× 25
= 9 × 10 × 25
= 9 × 25 × 10
= 225 × 10
= 2250
答:90×25等于2250
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