
那道题可以用简便方法计算,怎么计算
1个回答
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①40×95+5
=3800+5
=3805;
②102×58-116
=102×58-58×2
=(102-2)×58
=100×58
=5800;
③11×203-3
=2233-3
=2230;
④(200+3)×14
=200×14+3×14
=2800+42
=2842;
⑤125+4×95
=125+380
=505;
⑥(7×125)×8
=7×(125×8)
=7×1000
=7000.
=3800+5
=3805;
②102×58-116
=102×58-58×2
=(102-2)×58
=100×58
=5800;
③11×203-3
=2233-3
=2230;
④(200+3)×14
=200×14+3×14
=2800+42
=2842;
⑤125+4×95
=125+380
=505;
⑥(7×125)×8
=7×(125×8)
=7×1000
=7000.
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