计算下面各题,能简便就简便计算.①28+82×17; ②25×(32×4);③2000-(529...
答案:1 悬赏:50
解决时间 2021-01-09 20:42
- 提问者网友:遮云壑
- 2021-01-09 06:31
计算下面各题,能简便就简便计算.①28+82×17; ②25×(32×4);③2000-(529...
最佳答案
- 二级知识专家网友:山君与见山
- 2021-01-09 07:05
①28+82×17
=28+1394
=1422;
②25×(32×4)
=25×4×32
=100×32
=3200;
③2000-(529÷23+175)
=2000-(23+175)
=2000-198
=1802;
④76×101-76
=76×(101-1)
=76×100
=7600;
⑤1344÷[(105-97)×12]
=1344÷[8×12]
=1344÷96
=14;
⑥86+86×86+13×86
=86×(1+86+13)
=86×100
=8600.
=28+1394
=1422;
②25×(32×4)
=25×4×32
=100×32
=3200;
③2000-(529÷23+175)
=2000-(23+175)
=2000-198
=1802;
④76×101-76
=76×(101-1)
=76×100
=7600;
⑤1344÷[(105-97)×12]
=1344÷[8×12]
=1344÷96
=14;
⑥86+86×86+13×86
=86×(1+86+13)
=86×100
=8600.
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