题目内容
递等式计算(带▲的要简算)
8470-104×65
▲3.64÷4+4.36×0.25
÷(
-
)×
.
8470-104×65
▲3.64÷4+4.36×0.25
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(1)8470-104×65,
=8470-6760,
=1710;
(2)3.64÷4+4.36×0.25,
=3.64×0.25+4.36×0.25,
=(3.64+4.36)×0.25,
=8×0.25,
=2;
(3)
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=
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| 15 |
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=
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=
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