⑴ 簡便計算。24ⅹ98
24x98=24x100-24x2=2400-48=2352
⑵ 簡便 34X98
⑶ 68+34X98的簡便運算
簡便計算過程方法如下解:68+34X98=34x2+34x98=34x(2+98)=34x100=3400
⑷ 35x98怎麼簡便計算
=35x(100一2)=35x100一35x2=3500一70=3430