
脱式计算 三年级.doc
6页脱式计算完成时间:------- (1)(250-150)(306) (2) 104-204= == =(3) (4870-3675)+72009 (4) 300-(300-222)= == =(5) (150-75)(25-20) (6) 728+95= == =(7) 729-366 (8) 255-164= == =脱式计算完成时间:------- (1)(9467-5642)(35070) (2) 100-505= == =(3) 355+87 (4) 35-357= == =(5) (1+7)(16-6) (6) 62500= == =(7)7515+205 (8) 32(3216)= == =脱式计算完成时间:------- (1) 567+366 (2) 214-549= == =(3) 1000+(1000-988) (4) 427+366 = == =(5) 640+604 (6) 5255+426= == =(7) 500(400-396) (8) 564+(464-453)= == =脱式计算完成时间:------- (1) (729)(568) (2) 24006-45= == =(3)(150-75)(25-20) (4) 126+453= == =(5) 640+604 (6) 5255+426= == =(7) 3311+49 (8) 3390-1095= == =脱式计算完成时间:------- (1) 374+198 (2) 729-5= == =(3) 1809-426 (4) 602-1230= == =(5) 60083 (6) 8(910-720)= == =(7) 364+212 (8) 434+255= == =脱式计算完成时间:------- (1) 126+453 (2) 8(910-720)= == =(3) 729-366 (4) 800 7-180= == =(5) 57-486 (6) 900(71-68)= == =(7) (729)(568) (8) 160-16080= == =脱式计算完成时间:------- (1) 255+426 (2) 60(23-17)= == =(3) (9467-5642)(35070) (4) 659-450= == =(5) 500(400-396) (6) 687+9993= == =(7) 760-540+1110 (8) 16002+230= == =脱式计算完成时间:------- (1) 255-164 (2) 608+1570= == =(3) 1258100 (4) 8062= == =(5) 3311+49 (6) 32(3216)= == =(7) 900(71-68) (8) 60083= == =脱式计算完成时间:------- (1) 364+212 (2) 12052= == =(3) 7650-(546+4530) (4) 146+95= == =(5) 427+366 (6) 648+456= == =(7) (4870-3675)+72009 (8) 202+369= == =脱式计算完成时间:------- (1) 96049 (2) 3090+66= == =(3) (111+189)3 (4) 60(23-17)= == =(5) 355+87 (6) 54 9 8= == =(7) 665+774 (8) 270 3 9= == =脱式计算完成时间:------- (1) 104-204 (2) 6700+728= == =(3) 214-549 (4) 4505+1250= == =(5) 648+456 (6) 807+202= == =(7) 728+95 (8) 81044= == =脱式计算完成时间:------- (1) 7515+205 。












