简便计算(要求写出简算过程).
73÷36+105÷36+146÷36 11+12+13+14+15+16+17+18+19
25×125×8×4 154﹣283+246﹣117.
简便计算(要求写出简算过程).
73÷36+105÷36+146÷36 11+12+13+14+15+16+17+18+19
25×125×8×4 154﹣283+246﹣117.
试题篮
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