5.脱式计算
436+984÷6×5 | 900-72×4÷9 | (685-215)÷5+360 | 1000-1000÷8+25 |
4.竖式计算
432×5= | 2108-1455= | 1429÷6= |
9486÷9= | 946×6= | 8166÷8= |
19.直接写出下面各题的得数
0 159253 159261 159267 159271 159277 159279 159283 159289 159291 159297 159303 159307 159309 159313 159319 159321 159327 159331 159333 159337 159339 159343 159345 159347 159348 159349 159351 159352 159353 159355 159357 159361 159363 159367 159369 159373 159379 159381 159387 159391 159393 159397 159403 159409 159411 159417 159421 159423 159429 159433 159439 159447 199269
130÷2= | 9×8÷8= | 700×4= | 30×5×2= |
880÷8= | (88+22)×4= | 140+60= | 720÷8×6= |
2800÷4= | 9000÷9-1000= | 750÷5= | (35+65)×5= |
60×7= | 30+20-30+20= | 840-140= | 50×6+150= |
27×3= | (37+73)×3= | 14×6= | 420+580-320= |