12.口算
| 90÷3= | 64÷20= | 0÷8= | 360÷9= |
| 120+3= | 55÷5= | 16×5= | 187-95= |
11.一部电视连续剧共56集,每天播放3集,( )天可以播完.
| A. | 20 | B. | 18 | C. | 19 |
10.下面三道算式中的高,最接近40的是( )
0 137095 137103 137109 137113 137119 137121 137125 137131 137133 137139 137145 137149 137151 137155 137161 137163 137169 137173 137175 137179 137181 137185 137187 137189 137190 137191 137193 137194 137195 137197 137199 137203 137205 137209 137211 137215 137221 137223 137229 137233 137235 137239 137245 137251 137253 137259 137263 137265 137271 137275 137281 137289 199269
| A. | 142÷7 | B. | 357÷9 | C. | 801÷2 |