8.口算.
1-25%= | 40%×70%= | 132+31= | 3.14×9= |
0.8-$\frac{4}{5}$= | 3÷10%= | 200×5.5%= | $\frac{5}{8}$×$\frac{2}{3}$= |
6.男生与女生的人数的比是5:4,那么女生比男生少( )
0 160146 160154 160160 160164 160170 160172 160176 160182 160184 160190 160196 160200 160202 160206 160212 160214 160220 160224 160226 160230 160232 160236 160238 160240 160241 160242 160244 160245 160246 160248 160250 160254 160256 160260 160262 160266 160272 160274 160280 160284 160286 160290 160296 160302 160304 160310 160314 160316 160322 160326 160332 160340 199269
A. | $\frac{1}{4}$ | B. | $\frac{1}{5}$ | C. | $\frac{1}{9}$ |