问题描述:
递等式的简便计算(算式要合理的)
75x16 146x31÷73x75 1248÷96x24 96x15÷9(45x16)= = = == = = =
75x16 146x31÷73x75 1248÷96x24 96x15÷9(45x16)= = = == = = =
问题解答:
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问题描述:
问题解答:
我来补答