【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
=1201
=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%)
=11
=0
(6)×[-(-)]
=×[-]
=×
=
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