题目内容
【题目】神机妙算:(怎样算简便就怎样算)
(1)4+16÷![]()
(2)
÷
×64-1
(3)
×0.53+75%×1.47-0.75
(4)[(1-2÷3)×
]÷4
(5)
-65%-(35%+
)
(6)
×[
-(
-
)]
【答案】(1)64
(2)119
(3)0.75
(4)![]()
(5)0
(6)![]()
【解析】
(1)4+16÷![]()
=4+60
=64
(2)
÷
×64-1
=
×64-1
=120
1
=119
(3)
×0.53+75%×1.47-0.75
=0.75×0.53+0.75×1.47-0.75
=0.75×(0.53+1.47-1)
=0.75×1
=0.75
(4)[(1-2÷3)×
]÷4
=[
×
]÷4
=
÷4
=![]()
(5)
-65%-(35%+
)
=
-65%-35%![]()
![]()
=(![]()
)-(65%+35%)
=1
1
=0
(6)
×[
-(
-
)]
=
×[
-
]
=
×![]()
=![]()
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