1) <span>(4,2-1,075)=3,125</span>
<span>2) <span>1,35:2,7= 0,5</span></span>
<span><span>3) <span>0,4:2,5= 0,16</span></span></span>
<span><span><span>4) 0,16*3,125=0,5</span></span></span>
<span><span><span>5)0,5+6,02=6,52</span></span></span>
<span><span><span>6) 6,52-5,9=0,62</span></span></span>
<span><span><span>7)0,62+0,5=1,12</span></span></span>