1
40 80 90
48 86 39
84 68 93
2.
28 99 84
400 420 48
96 62 88
3.
78 648 1836
4.
(1)125×2=250(个)
(2)250+125=375(个)
(3)250-125=125(个)
http://m.ksjqmj.com/sannianjidaan/3223.html
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1
40 80 90
48 86 39
84 68 93
2.
28 99 84
400 420 48
96 62 88
3.
78 648 1836
4.
(1)125×2=250(个)
(2)250+125=375(个)
(3)250-125=125(个)
http://m.ksjqmj.com/sannianjidaan/3223.html
推荐访问