8 Сот. 7 дес. 4 ед., 6 Сот. 1 дес. 4 ед., <span>2 Сот. 5 дес. 0 ед., (Деляться на 2)
</span>
4 Сот. 3 дес. 5 ед., 2 Сот. 0 дес. 5 ед., 8 Сот. 4 дес. 7 ед., 4 Сот. 5 дес. 3 ед., (<span>не делятся на 2 без остатка.)</span>
1. 1)<span>2*3х = 6х</span>
<span>2) <span>-а*(-5) = 5а</span></span>
<span><span>3) <span>4аб*7 = 28аб</span></span></span>
<span><span><span>4) 13м * 3н = 39мн</span></span></span>
<span><span><span>2. 1)<span>(х-у+с)*6 = 6х - 6у + 6с</span></span></span></span>
<span><span><span><span>2) <span>-8(а+б-н) = -8а - 8б + 8н</span></span></span></span></span>
<span><span><span><span><span>3. <span> 1)-9х+5х-3х+9х = 2х</span></span></span></span></span></span>
<span><span><span><span><span><span>2) <span>3х+5у-7х+4у = 9у - 4х</span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span>3)-3м+7н+3м-7м = <span>7н-7м</span></span></span></span></span></span></span></span></span>