问题
解答题
用自己喜欢的方法计算.
296÷
|
答案
(1)
×7×1 13 13 14
=
×1 13
×713 14
=
×71 14
=
;1 2
(2)
×7 12
-3 4
×5 12 3 4
=(
-7 12
)×5 12 3 4
=
×1 6 3 4
=
;1 8
(3)
÷4×8 14 3 7
=
×1 7 3 7
=
;3 49
(4)296÷295 3
=295×
+1×3 295 3 295
=3+3 295
=3
.3 295