1.
(1)
78+78+-14=142千克
(2)
24x4-24
=24x3
=72分米
2.
(1)
38x3+38
=38x4
=152只
(2)
38x3-38
=38x2
=76只
3.
32+14+32=78辆
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1.
(1)
78+78+-14=142千克
(2)
24x4-24
=24x3
=72分米
2.
(1)
38x3+38
=38x4
=152只
(2)
38x3-38
=38x2
=76只
3.
32+14+32=78辆
http://m.ksjqmj.com/sannianjidaan/3761.html
推荐访问