问题
解答题
用递等式计算.
|
答案
(1)
÷5 6
×1 4
,3 5
=
×10 3
,3 5
=2;
(2)20-12÷
,4 5
=20-15,
=5;
(3)8-
÷2 3
-1 4
,4 3
=8-
-8 3
,4 3
=8-(
+8 3
),4 3
=8-4,
=4;
(4)48048÷12+88,
=4004+88,
=4092;
(5)9÷(
-7 9
)×3,2 3
=9÷
×3,1 9
=81×3,
=243;
(6)(1-0.8×
)÷3 4
,4 5
=(1-0.6)÷
,4 5
=0.4÷
,4 5
=0.5.