4×1+45× 8400﹣108×42. 5+3.5÷0.5×5.2
(1+0.78×)÷(145+) [2+2.4×(1﹣1.5)]÷1.1 (12+999+99)÷[56×(﹣)].
4×1+45× 8400﹣108×42. 5+3.5÷0.5×5.2
(1+0.78×)÷(145+) [2+2.4×(1﹣1.5)]÷1.1 (12+999+99)÷[56×(﹣)].
试题篮
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