算一算 ×3= | ×10= | ×2= | ×5= |
×14= | ×12= | ×100= | ×38= |
×11= | ×2= | ×5= | ×4= |
×0= | ×105= |
×3= , | ×10= , | ×2= , | ×5=1, |
×14= , | ×12=9, | ×100=35, | ×38= , |
×11= , | ×2= , | ×5= , | ×4= , |
×0=0, | ×105=26. |
分析:分数乘整数:分子和整数相乘的积做分子,分母不变;也可以先把整数和分母约分后再相乘.
点评:本题考查了分数乘整数的计算方法,计算时要细心,注意把结果化成最简分数.
编辑:chaxungu时间:2026-04-27 08:50:41分类:小学数学题库
算一算 ×3= | ×10= | ×2= | ×5= |
×14= | ×12= | ×100= | ×38= |
×11= | ×2= | ×5= | ×4= |
×0= | ×105= |
×3= , | ×10= , | ×2= , | ×5=1, |
×14= , | ×12=9, | ×100=35, | ×38= , |
×11= , | ×2= , | ×5= , | ×4= , |
×0=0, | ×105=26. |