问题
解答题
|
答案
[1-(
+1 4
)]÷3 8
,1 24
=[1-
]÷5 8
,1 24
=
×24,3 8
=9;
4
-35 7
+11 3
-22 7
,2 3
=(4
+15 7
)-(32 7
+21 3
),2 3
=6-6,
=0;
×[8 9
-(7 8
-7 16
)],1 8
=
×[8 9
-(7 8
-7 16
)],2 16
=
×[8 9
-7 8
],5 16
=
×[8 9
-14 16
],5 16
=
×8 9
,9 16
=
;1 2
4.6×1
+8.4÷3 8
-18 11
×5,3 8
=4.6×
+8.4×11 8
-11 8
×5,11 8
=
×(4.6+8.4-5),11 8
=
×8,11 8
=11.