问题
解答题
文字宫里显本领 (1)
(2)
|
答案
(1)
×6.4+2.4×30%,7 8
=5.6+0.72,
=6.32;
答:和是6.32.
(2)(
-4 5
×3 4
)÷2 5
,2 3
=(
-4 5
)÷3 10
,2 3
=
×1 2
,3 2
=
;3 4
答:商是
.3 4
文字宫里显本领 (1)
(2)
|
(1)
×6.4+2.4×30%,7 8
=5.6+0.72,
=6.32;
答:和是6.32.
(2)(
-4 5
×3 4
)÷2 5
,2 3
=(
-4 5
)÷3 10
,2 3
=
×1 2
,3 2
=
;3 4
答:商是
.3 4