问题
解答题
脱式计算 (1)6760÷13+17×25 (2)4.82-5.2÷0.8×0.6 (3)
(4)35÷
|
答案
(1)6760÷13+17×25,
=520+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)
-5 6
÷3 4
,3 10
=
-5 6
,5 2
=-
;5 3
(4)35÷
×1-7 8
,2 7
=40×1-
,2 7
=40-
,2 7
=39
.5 7