计算,怎样算简便就怎样算
102×(4.5÷0.09) 19.96×5.4﹣4.4×19.96 3.8+2.49+7.51+4.2
2.3+3.91÷(22﹣19.7) (1﹣0.2)×[13﹣(3.12+5.28)] 9.9×1.45.
计算,怎样算简便就怎样算
102×(4.5÷0.09) 19.96×5.4﹣4.4×19.96 3.8+2.49+7.51+4.2
2.3+3.91÷(22﹣19.7) (1﹣0.2)×[13﹣(3.12+5.28)] 9.9×1.45.
试题篮
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