赚现金
递等式计算:(能用简便方法计算的要用简便方法计算)0.11×1.8+8.2×0.110.8×(3.2﹣2.99÷2.3)3.5﹣3.5×0.9812.5×2.5×3.2(8.1﹣5.4)÷3.6+85.7.
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