7.用5、6、7、9这4个数字组成两个两位数,积最小是( )
A. | 3932 | B. | 3953 | C. | 3933 | D. | 3934 |
6.一个长方形的面积是45cm2,长是9cm,宽是( )cm.
0 158106 158114 158120 158124 158130 158132 158136 158142 158144 158150 158156 158160 158162 158166 158172 158174 158180 158184 158186 158190 158192 158196 158198 158200 158201 158202 158204 158205 158206 158208 158210 158214 158216 158220 158222 158226 158232 158234 158240 158244 158246 158250 158256 158262 158264 158270 158274 158276 158282 158286 158292 158300 199269
A. | 6 | B. | 5 | C. | 14 | D. | 36 |