726×0.1+0.5×726+0.049×726
=726×(0.1+0.5+0.049)
=726×0.649
=726×(0.6+0.04-0.009)
=726×0.6+726×0.04+726×0.009
=435.6+29.04+6.534
=471.174
这是运用乘法的分配律进行计算的。
726×0.1+0.5×726+0.049×726
=726×(0.1+0.5+0.049)
=726×0.649
=726×(0.6+0.04-0.009)
=726×0.6+726×0.04+726×0.009
=435.6+29.04+6.534
=471.174
这是运用乘法的分配律进行计算的。