根据运算定律填空．a×7.3+7.3×6=7.3× 1.25×m×8= × × ．
× =16× =× =1．
× = ×=0.1× = ×12=1．
因为×=1，所以是倒数，也是倒数． ．
最小的合数的倒数是 ，0.25的倒数是 × =× =× = ×0.3=1．
一个数的倒数一定和它本身不相等 ．
× =16× =
× =1．
× = ×
=0.1× = ×12=1．
×
=1，所以
也是倒数． ．
× =
× =
× = ×0.3=1．
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