题目内容
| 看谁都能算对!(能简算的请写出简算过程) 86×0.75+14×75% | 8.96-5.29-1.71-1.96 | ||||||||||||||||||||
| (
|
(1)86×0.75+14×75%,
=(86+14)×0.75,
=100×0.75,
=75;
(2)8.96-5.29-1.71-1.96,
=(8.96-1.96)-(5.29+1.71),
=7-7,
=0;
(3)
-[(
+
)÷
],
=
-[
÷
],
=
-
,
=
;
(4)(
+
)×
+(
+
)×
,
=(
+
+
+
)×
,
=[(
+
)+(
+
)]×
,
=2×
,
=3.
=(86+14)×0.75,
=100×0.75,
=75;
(2)8.96-5.29-1.71-1.96,
=(8.96-1.96)-(5.29+1.71),
=7-7,
=0;
(3)
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=
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=
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=
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(4)(
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=(
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=[(
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=2×
| 3 |
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=3.
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