1.2.4.6.7等数等于11怎么算?

Question

如题所述

Answer 1

1、7+6+2-1×4

=7+6+2-4

=13+2-4

=15-4

=11

2、4×6-7×2+1

=24-14+1

=10+1

=11

3、6-4+7+2×1

=6-4+7+2

=2+7+2

=11

4、（7-6+2）×4-1

=（1+2）×4-1

=3×4-1

=12-1

=11

5、2×7-6÷2÷1

=14-3

=11