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(80+8)*125的简便运算

(80—8)x125的简便计算 (1)(80—8)x125 =80x125-8x125 =10000-1000 =9000 (2)(80—8)x125 =72x125 =72x(100+25) =72x100+25x72 =7200+7200x0.25 =7200+(7200÷4) =7200+1800 =9000

(80+8)x125 =80x125+8x125 =10000+1000 =11000 运用乘法分配律 希望能帮到您!

简便运算 (80×8)×125 =80x125x8 =10000x8 =80000 38×99+38 =38x(99+1) =38x100 =3800

(125+8)×80 =125×80+8×80 =10000+640 =10640

(80-8)乘以125简便计算 (80-8)乘以125 =125*80-125*8 =10000-1000 =9000

=80X125+8X125 =10000+1000 =11000

(36+1)*5/36=5/36 80*125+8*125 =10000+1000 =11000

原式 =125x80-125x8 =10000-1000 =9000 或者 =125x72 =125x(8x9) =(125x8)x9 =1000x9 =9000 供参考。

red

125×(8+80%+8%) =125x8+125x80%+125x8% =1000+100+10 =1110

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