> 数学 >
计算:
567+345×566
567×345+222
=______.
人气:213 ℃ 时间:2020-03-28 13:11:36
解答
567+345×566
567×345+222

=
567+345×566
(566+1)×345+222

=
567+345×566
345×566+345+222

=
567+345×566
345×566+567

=
567+345×566
567+345×566

=1.
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