1.(1十0.23十0.34)*(0.23十0.34十0.56)一(1十0.23十0.34十0.56)*(0.23十0.34)要设----=A,-----=B2.A=0.00...0125 有1996个0 B=0.00...08有2000个0 试求A+B A*B A/B3.[4.2*5-(1/2.5+9.1/0.7)]/0.04=100这个算式并不成立,
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![1.(1十0.23十0.34)*(0.23十0.34十0.56)一(1十0.23十0.34十0.56)*(0.23十0.34)要设----=A,-----=B2.A=0.00...0125 有1996个0 B=0.00...08有2000个0 试求A+B A*B A/B3.[4.2*5-(1/2.5+9.1/0.7)]/0.04=100这个算式并不成立,](/uploads/image/z/8587755-27-5.jpg?t=1.%EF%BC%881%E5%8D%810.23%E5%8D%810.34%EF%BC%89%2A%EF%BC%880.23%E5%8D%810.34%E5%8D%810.56%EF%BC%89%E4%B8%80%EF%BC%881%E5%8D%810.23%E5%8D%810.34%E5%8D%810.56%EF%BC%89%2A%EF%BC%880.23%E5%8D%810.34%EF%BC%89%E8%A6%81%E8%AE%BE----%3DA%2C-----%3DB2.A%3D0.00...0125+%E6%9C%891996%E4%B8%AA0+B%3D0.00...08%E6%9C%892000%E4%B8%AA0+%E8%AF%95%E6%B1%82A%2BB+A%2AB+A%2FB3.%5B4.2%2A5-%EF%BC%881%2F2.5%2B9.1%2F0.7%EF%BC%89%5D%2F0.04%3D100%E8%BF%99%E4%B8%AA%E7%AE%97%E5%BC%8F%E5%B9%B6%E4%B8%8D%E6%88%90%E7%AB%8B%2C)
1.(1十0.23十0.34)*(0.23十0.34十0.56)一(1十0.23十0.34十0.56)*(0.23十0.34)要设----=A,-----=B2.A=0.00...0125 有1996个0 B=0.00...08有2000个0 试求A+B A*B A/B3.[4.2*5-(1/2.5+9.1/0.7)]/0.04=100这个算式并不成立,
1.(1十0.23十0.34)*(0.23十0.34十0.56)一(1十0.23十0.34十0.56)*(0.23十0.34)要设----=A,-----=B
2.A=0.00...0125 有1996个0 B=0.00...08有2000个0 试求A+B A*B A/B
3.[4.2*5-(1/2.5+9.1/0.7)]/0.04=100这个算式并不成立,移动其中一个数的小数点的位置,就可以让等式成立
1.(1十0.23十0.34)*(0.23十0.34十0.56)一(1十0.23十0.34十0.56)*(0.23十0.34)要设----=A,-----=B2.A=0.00...0125 有1996个0 B=0.00...08有2000个0 试求A+B A*B A/B3.[4.2*5-(1/2.5+9.1/0.7)]/0.04=100这个算式并不成立,
1.设A=0.23十0.34 B=0.23十0.34十0.56
原式=(1+A)*B-(1+B)*A
=B*AB-A*AB
=B-A
=0.23十0.34十0.56-(0.23十0.34)
=0.56
2.A+B=0.00...012508 1996个0
A*B=0.00...1 3996个0
A/B=126.25
3.4.2*5-(1/0.25+9.1/0.7)]/0.04=100