306+487怎样简算
306+487怎样简算 -
306+487 =300+487+6 =787+6 =793
对他人了,
306+487 =300+487+6 =787+6 =793
对他人了,
解: 306×(45-888/37)=306x(45-24)=(300+6)x21 =6300+126 =6426
解原式=340+18-298 =358-258-40 =100-40=60
239+134-306÷9怎样简算 -
239+134-306÷9 =239+(134-34)=239+100 =339 本题已解答,满意请点击采纳答案,
306x45-88÷37怎样简算306x45-88+37 =306x45-51 =13770-51 =13719
340+306÷17一298怎样简算呢? -
化简:340-298+306÷17=42+18=60