问题
解答题
列式计算 (1)
(2)1减去
|
答案
(1)(
-5 9
)×(4 15
+5 13
),7 26
=
×13 45 17 26
=
;17 90
答:积是
.17 90
(2)(1-
×4 9
)÷3 8
,1 3
=(1-
)×3,1 6
=
×3,5 6
=
;5 2
答:商是
.5 2
列式计算 (1)
(2)1减去
|
(1)(
-5 9
)×(4 15
+5 13
),7 26
=
×13 45 17 26
=
;17 90
答:积是
.17 90
(2)(1-
×4 9
)÷3 8
,1 3
=(1-
)×3,1 6
=
×3,5 6
=
;5 2
答:商是
.5 2