问题
解答题
|
答案
(1)(125+8)×8,
=125×8+8×8,
=1000+64,
=1064;
(2)25×13×4, =25×4×13, =100×13, =1300; |
=18.8-(4.125+5.875),
=18.8-10,
=8.8;
(4)
×3 5
+11 10
÷2 5
,10 11
=
×3 5
+11 10
×2 5
,11 10
=(
+3 5
)×2 5
,11 10
=
;11 10
(5)[1-(
-1 2
)]×1 4
,2 3
=[1-
]×1 4
,2 3
=
×3 4
,2 3
=
;1 2
(6)
-5 8
×(1 4
÷8 9
),4 3
=
-5 8
×(1 4
×8 9
),3 4
=
-5 8
×1 4
,2 3
=
-5 8
,1 6
=
-15 24
,4 24
=
.11 24