6. 用简便方法计算。
0.034×0.5×0.6 102×0.45 0.125×72
2.5×3.8×0.04 7.69×101 8×5.27×1.25
0.25×39+0.25 46×0.33+54×0.33

0.034×0.5×0.6
=0.034×(0.5×0.6)
=0.034×0.3
=0.0102
102×0.45
=(100+2)×0.45
=100×0.45+2×0.45
=45+0.9
=45.9
0.125×72
=0.125×8×9
=1×9
=9
2.5×3.8×0.04
=2.5×0.04×3.8
=0.1×3.8
=0.38
7.69×101
=7.69×(100+1)
=7.69×100+7.69×1
=769+7.69
=776.69
8×5.27×1.25
=8×1.25×5.27
=10×5.27
=52.7
0.25×39+0.25
=0.25×(39+1)
=0.25×40
=10
46×0.33+54×0.33
=(46+54)×0.33
=100×0.33
=33