999.90.28-66660.37 简便计算.

j18942022-10-04 11:39:543条回答

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共3条回复

blue_az 共回答了15个问题 | 采纳率86.7%: 999.9*0.28-666.6*0.37
=111.1(9*0.28-6*0.37)
=111.1(18*0.24-6*0.37)
=111.1*6*(3*0.14-0.37)
=111.1*6(0.52-2*3.0.37）=666.6*0.15=99.99; 1年前

compting16 共回答了9个问题 | 采纳率: 999.9*0.28-6666*0.37
=（0.9*0.28-6*0.37）*1111
=（0.252-2.22）*1111
=-1.968*1111
=-2186.448; 1年前

易度空间共回答了281个问题 | 采纳率: 999.9*0.28-6666*0.37
=111.1(9*0.28-60*3.7)
=111.1(9*0.28-60*3.7)
=111.1(9*0.28-6*3.7)
=111.1*3(3*0.28-2*3.7)
=111.1*3(0.84-7.4)
=333.3*(-6.56)
= -2186.448; 1年前

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