www.ylrr.net > 125+125X42+125X57=巧算

125+125X42+125X57=巧算

你好!125x42+125x37+125=125x(42+37+1)=125x80=10000 如有疑问,请追问.

(125+125+125+125+125)x25x32x20=125x5x25x32x20=125x8x25x4x5x20=1000x100x100=10000000不懂可追问,有帮助请采纳,谢谢!

25*32*125=25*4*8*125=(25*4)*(8*125)=100*1000=100000

125x3x7+21x875=125x21+21x875=21x(125+875)=21x1000=21000 你的采纳是我前进的动力! 你的采纳也会给你带来财富值.我们相互学习!共同进步!

125加125乘以15的简便运算解答:125+125x15=125x1+125x15=125x(1+15)=125x16=2000很高兴为您解答,祝你学习进步!有不明白的可以追问!!!!!!记得采纳哦!!!!

(125+125+125)*8=125*8+125*8+125*8=1000+1000+1000=3000

简便运算125x98一125x57一125x33解:原式=125x〔98-(57+33)〕=125x〔98-90〕=125x8=1000

125+125x37+125x63=125*(1+37+63)=125*101=125*100+125=12625

(125+125+125+125)x25x8=125*4*25*8=(125*8)*(25*4)=1000*100=100000

125x54+45x125+125=125x(54+45+1)=125x100=12500

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