问题
解答题
脱式计算
914-316÷79×208 (1-
|
答案
(1)
×[(5 11
+2 5
)÷1 3
],5 6
=
×[5 11
÷11 15
],5 6
=
×[5 11
×11 15
],6 5
=
×5 11
×11 15
,6 5
=
;2 5
(2)914-316÷79×208,
=914-4×208,
=914-832,
=82;
(3)(1-
÷1 5
)×1 3
,15 16
=(1-
×3)×1 5
,15 16
=(1-
)×3 5
,15 16
=
×2 5
,15 16
=
;3 8
(4)
÷[1-(5 6
+3 4
)],1 12
=
÷[1-5 6
],5 6
=
÷5 6
,1 6
=
×6,5 6
=5.