1.直接写出得数.
| 1.64÷0.4= | 0.45÷5= | 0.51÷3= | 1.8×4= | 2.5×0.4= |
| 6.9+12.1= | 7.6÷0.01= | 0.81÷0.9= | 29.75+5.6+4.4= | 1.5×6+1.5×4= |
20.每一个油桶最多装4.5千克油,购买62千克,至少要准备( )个这样的油桶.
| A. | 12 | B. | 13 | C. | 14 |
15.在一段公路的两边按树间距8米栽树1402棵,如果两端都栽,这条公路长( )米.
0 128834 128842 128848 128852 128858 128860 128864 128870 128872 128878 128884 128888 128890 128894 128900 128902 128908 128912 128914 128918 128920 128924 128926 128928 128929 128930 128932 128933 128934 128936 128938 128942 128944 128948 128950 128954 128960 128962 128968 128972 128974 128978 128984 128990 128992 128998 129002 129004 129010 129014 129020 129028 199269
| A. | 5600 | B. | 5616 | C. | 5608 |