问题 解答题
脱式计算.
35+65÷5
624÷4+235
744÷3÷2(72+64)×9.
答案

(1)35+65÷5

=35+13

=48;

(2)624÷4+235

=156+235

=391;

(3)744÷3÷2

=248÷2

=124;

(4)(72+64)×9

=136×9

=1224.

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