
96x58+96x43-9.6×10的简便方法是?
2个回答
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解:96x58+96x43-9.6×10等于( 9600 )
∵已知需求出96x58+96x43-9.6×10等于多少
X × Y + X × Z = X × (Y + Z)
∴96 x 58 + 96 x 43 - 9.6 × 10
= 9.6 × (10 × 58 + 10 × 43 - 10)
= (9×10+6)/10 × (580 + 430 - 10)
= 96/10 × (1010 - 10)
= 96/10 × 1000
= 96 × 100
= 9600
答:96x58+96x43-9.6×10等于9600
∵已知需求出96x58+96x43-9.6×10等于多少
X × Y + X × Z = X × (Y + Z)
∴96 x 58 + 96 x 43 - 9.6 × 10
= 9.6 × (10 × 58 + 10 × 43 - 10)
= (9×10+6)/10 × (580 + 430 - 10)
= 96/10 × (1010 - 10)
= 96/10 × 1000
= 96 × 100
= 9600
答:96x58+96x43-9.6×10等于9600
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