问题
解答题
|
答案
(1)6760÷13+17×25,
=520+425,
=945;
(2)4.82-5.2÷0.8×0.6,
=4.82-6.5×0.6,
=4.82-3.9,
=0.92;
(3)(
-7 12
)÷1 2
,11 24
=(
-7 12
)×1 2
,24 11
=
×7 12
-24 11
×1 2
,24 11
=
-14 11
,12 11
=
;2 11
(4)(
+1 3
)÷(2-1 2
),2 3
=
÷15 6
,1 3
=
;5 8
(5)(
-5 6
×5 8
)÷4 5
,1 3
=(
-5 6
)÷1 2
,1 3
=
÷1 3
,1 3
=1;
(6)
×[8 15
÷(5 6
-7 9
)],1 3
=
×(8 15
÷5 6
),4 9
=
×8 15
,15 8
=1.