用“>”“<”“=”填空.
8.5×1.6 8.5×1.5
1.05×0.8 1×0.8+0.5×0.8
(5.6+4.4)×1.78 5.6×1.79+4.4×1.78
0.738×999+0.738 0.738×1000.
用“>”“<”“=”填空.
8.5×1.6 8.5×1.5
1.05×0.8 1×0.8+0.5×0.8
(5.6+4.4)×1.78 5.6×1.79+4.4×1.78
0.738×999+0.738 0.738×1000.