<span>(4900:700-280):60=7</span>
1) 4900:7=700
2) 700-280=420
3) 420:60=7
Ответ: число 700. у=700
<span>7+4+10=21см всё!!!!!!!!!!</span>
1) 93+14=107(кг)-моркови.
2)107+93=200(кг)
Ответ: всего 200 кг.
67*32*46=<span> 67*(32*46)</span>
138*(28*52)=(138*28)*52
<span>94*(17*23) =</span><span>17*94*23 </span>
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<span>2) <span>452*43*12 = 43*12*452</span></span>
<span><span><span>138*(28+52)= 138*28+138*52</span></span></span>
<span><span><span><span>374*(37*53)=(374*37)*53</span></span></span></span>
<span><span><span><span><span>113*86*24= 86*113*24</span></span></span></span></span>
<span><span><span><span><span><span>264*127*8= 8*264*127</span></span></span></span></span></span>
<span><span><span><span><span><span><span>187*106*(93-56)= 187* (106*93-106*56)</span></span></span></span></span></span></span>