问题
解答题
|
答案
(1)(6105-435)÷14,
=5670÷14,
=405;
(2)46.71-6.81-3.19,
=46.71-(6.81+3.19),
=46.71-10,
=36.71;
(3)100-45÷0.9+0.75,
=100-50+0.75,
=50+0.75,
=50.75;
(4)63×(
+4 9
),5 7
=63×
+63×4 9
,5 7
=28+45,
=73;
(5)
×3 5
+5 6
÷1 6
,3 5
=
×3 5
+5 6
×1 6
,5 3
=
+1 2
,5 18
=
+9 18
,5 18
=
;7 9
(6)
×[3 5
-(3 4
-7 12
)],1 4
=
×[3 5
+3 4
-1 4
],7 12
=
×[1-3 5
],7 12
=
×3 5
,5 12
=
.1 4