文档介绍：三年级简便计算练****br/>① 355+260+140+245278+463+22+37732+580+2681034+780+320+102
425+14+186
749+5036+251
398+55三年级简便计算练****br/>① 355+260+140+245278+463+22+37732+580+2681034+780+320+102
425+14+186
749+5036+251
398+558+442
② 100-36-64
100-36+64
214+86+14
273-73-27
725-76-24
③ 787-87-29
455-155+230
870-(232+168)(355-140)-(360-245)
④ 6756+193-(756-207)
(877+259)+(741-477)871-299
576-285+85
825-657+57690-177+77
755-287+87
643+278-143+122
⑤ 374-205+226-951530+(592-530-192(6467-832)+(1832-1467)794-199-99
794-199-201
7827-(827+1200)
576-285+85
643-
748-351+252-14938+62-38-62
⑥ 89+124+11+26+48875-147-2325X125X 40X 8 147X 8+8X 53
125X64
89+124+11+26+48
⑦ 875-147-23
147 8+8 53
125X64 960+ (1500-32X 45
192— (54+38) ] X67138X25X4 (13 X 125) X (3 X 8112+24+80) X 50
⑧704X25+25X32X125 32X(25+125)
178X10 卜 178