2．
0 161240 161248 161254 161258 161264 161266 161270 161276 161278 161284 161290 161294 161296 161300 161306 161308 161314 161318 161320 161324 161326 161330 161332 161334 161335 161336 161338 161339 161340 161342 161344 161348 161350 161354 161356 161360 161366 161368 161374 161378 161380 161384 161390 161396 161398 161404 161408 161410 161416 161420 161426 161434 199269
| 直接写出得数． 5.53+1.47= | 5-3.28= | 0.46÷4.6= | 4×0.25= | 8÷0.01= |
| 4.5×0.4= | 0.7×1.1= | 0.63÷0.7= | 0.2×60= | 3.5÷5= |
| 7×0.4÷7×0.4= | 85÷（1-0.9）= |