122*92+247*8的简便运算

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122*92+247*8的简便运算122*92+247*8的简便运算122*92+247*8的简便运算122*92+247*8=122*92+(122+125)*8=122*92+122*8+125*

122*92+247*8的简便运算
122*92+247*8的简便运算

122*92+247*8的简便运算
122*92+247*8
=122*92+(122+125)*8
=122*92+122*8+125*8
=122*(92+8)+1000
=122*100+1000
=12200+1000
=13200