×28%× |
÷÷ |
×÷ |
7÷70% |
×(+28) |
×27+16×. |
(1)
×28%×
=
×(
×
),
=
×
,
=
;
(2)
÷
÷
=
×
×2,
=
;
(3)
×
÷
=
×
,
=
;
(4)7÷70%=100;
(5)
×(
+28)
=
×
+
×28,
=
+10,
=10
;
(6)
×27+16×
=
×16+16×
,
=(
+
)×16,
=2×16,
=32.
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