问题
解答题
|
答案
(1)
×28%×5 12 3 14
=
×(5 12
×14 50
),3 14
=
×5 12
,3 50
=
;1 40
(2)
÷7 9
÷1 2 35 36
=
×7 9
×2,36 35
=
;8 5
(3)
×3 5
÷8 9 5 8
=
×8 15
,8 5
=
;64 75
(4)7÷70%=100;
(5)
×(5 14
+28)14 25
=
×5 14
+14 25
×28,5 14
=
+10,1 5
=10
;1 5
(6)
×27+16×16 23 19 23
=
×16+16×27 23
,19 23
=(
+27 23
)×16,19 23
=2×16,
=32.