用简便方法算下面题 99.99*22.22+33.33*33.34
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(99.99÷3)×(22.22×3)+33.33×33.34
=33.33×66.66+33.33×33.34
=33.33×(66.66+33.34)
=33.33×100
=3333
=33.33×66.66+33.33×33.34
=33.33×(66.66+33.34)
=33.33×100
=3333
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展开全部
(99.99÷3)×(22.22×3)+33.33×33.34
=33.33×66.66+33.33×33.34
=33.33×(66.66+33.34)
=33.33×100
=3333
=33.33×66.66+33.33×33.34
=33.33×(66.66+33.34)
=33.33×100
=3333
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(100-0.1)*22.22+33.33(33.33+0.01)
=2222-2.222+33.33^2+0.3333
1楼高!!!!
=2222-2.222+33.33^2+0.3333
1楼高!!!!
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