随堂练习2-有理数的乘法VIP免费

1.计算：112(1)30()(2)(0.25)(36)23315375312(3)()(24)(4)()86496451111(1)30()3030=151052323212(2)(0.25)(36)(36)()(36)34392415153153(3)()(24)=(24)(24)2486486432018575312712512(4)()96459565解：312452892827305215515151532.计算：41(1)(2)(8)(125)(2)8()516223(3)()()(4)0.25(3.1)(8)374(1)(2)(8)(125)(2)100020004114142(2)8()8()()516165255223232(3)()()()()374347121277(4)0.25(3.1)(8)0.25(8)(3.1)2(3.1)6.解：2