问题
解答题
递等式计算(带▲的要简算) 8470-104×65 ▲3.64÷4+4.36×0.25
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答案
(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)
÷(1 3
-2 3
)×2 5
,3 5
=
÷1 3
×4 15
,3 5
=
×5 4
,3 5
=
.3 4