这道题怎么做呀!
1个回答
2014-10-28
展开全部
1.
1000-289+11
=711+11
=722
2.
92÷4×25
=23x25
=575
3.
28x(207÷3)
=28x69
=1932
4.
176-176÷8
=176-22
=154
5.
97-12×6+43
=97-72+43
=25+43
=68
6.
68+360÷(20-16)
=68+360÷4
=68+90
=158
1000-289+11
=711+11
=722
2.
92÷4×25
=23x25
=575
3.
28x(207÷3)
=28x69
=1932
4.
176-176÷8
=176-22
=154
5.
97-12×6+43
=97-72+43
=25+43
=68
6.
68+360÷(20-16)
=68+360÷4
=68+90
=158
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