1)75,12*14=1051,68
2)6,7*240=1608
3)0,056*15=0,84
4)86,6*4,3=372,38
5)123,3*1,33=163,989
6)90,5*2,58=233,49
1,2<span>²=1,44</span>
0,68<span>²</span>=0,4624
7,2<span>²</span>=51,84
2,7<span>²</span>=7,29
0,89<span>²</span>=0,7921
0,47<span>²</span>=0,2209
6,4<span>²</span>-4,4<span>²=21,6</span>
<span>1)6,4<span>²=40,96</span></span>
<span><span>2)4,4<span>²</span>=19,36</span></span>
<span><span>3)40,96-19,36=21,6</span></span>
(3,9-2,5)<span>²=1,96</span>
<span>1)3,9-2,5=1,4</span>
<span>2)1,4²=1,96</span>
(3,9+2,5)²=40,96
1)3,9+2,5=6,4
2)6,4²=40,96
(6,4-4,4)(6,4+4,4)=21,6
1)6,4-4,4=2
2)6,4+4,4=10,8
3)2*10,8=21,6
5)3,9²-2*3,9*2,5+2,5²=1,9
1)3,9²=15,21
2)2*3,9=7,8
3)7,8*2,5=19,5
4)15,21-19,5=-4,26
5)2,5²=6,25
6)-4,29+6,25=1,96
3,9²+2*3,9*2,5+2,5²=37,21
1)3,9²=15,21
2)2,3*3,9=7,8
3)7,8*2,5=19,5
4)15,21+19,5=34,71
5)34,71+2,6=37,21