问题
解答题
|
答案
(1)(8×
+6)÷3 4
,1 12
=(6+6)÷
,1 12
=12×12,
=144;
(2)8×75%-3÷
,3 4
=8×
-3×3 4
,4 3
=6-4,
=2;
(3)8.5×0.75+7.5×75%,
=8.5×
+7.5×3 4
,3 4
=(8.5+7.5)×
,3 4
=16×
,3 4
=12;
(4)
×88+3 4
÷1 4
,1 88
=
×88+3 4
×88,1 4
=(
+3 4
)×88,1 4
=1×88,
=88;
(5)
÷12.5%×(1 8
+3 4
),1 2
=
÷1 8
×1 8
,5 4
=1×
,5 4
=1
;1 4
(6)
-5 8
×(5 6
+25%),1 4
=
-5 8
×(5 6
+1 4
),1 4
=
-5 8
×5 6
,1 2
=
-5 8
,5 12
=
.5 24