axb(a=0),当b( )时,积>a;当b( )时,积=0;当( )时,积

ab453c9f960e5d0b2022-10-04 11:39:541条回答

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shuoshuo8848 共回答了13个问题 | 采纳率84.6%
第一题貌似无法可解 只有中间的那个 b为任何数
计算题
32x1.25x0.75
=32x5/4x3/4
=30
58x58x0.01+58x42x0.01+58
=58x0.01x(58+42)+58
=58+58=116
0.125x9.62x80-96.2
=1/8x80x9.62-96.2
=10x9.62-96.2
=0
2.4+7.6x4.3
=2.4+32.68
=35.08
8.2x0.95x0.4
=8.2x(0.95x0.4)
=8.2x0.38
=3.116
0.48x8.5-2.5
=4.08-2.5
=1.58
1年前

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