Tính nhẩm: 126,43 x 0,1= ; 126,43 x 0,01= ; 126,43 x 0,001= ; 64,58 : 10
Giải thích
126,43×0,1=12,643126,43×0,01=1,2643126,43×0,001=0,1264364,58:10=6,458172,3:100=1,7232333,7:1000=2,3337
126,43×0,1=12,643126,43×0,01=1,2643126,43×0,001=0,1264364,58:10=6,458172,3:100=1,7232333,7:1000=2,3337