Объяснение:
х=-0,4; 2х=-0,8; 2х²=2*(-0,4)²=2*0,16=0,32; (2х)²=4х²=4*-0,4²=4*0,16=0,64.
х=0,4; 2х=0,8; 2х²=2*0,4²=2*0,16=0,32; (2х)²=4х²=4*0,4²=4*0,16=0,64.
х=-1/5; х=-0,2; 2х=-0,4; 2х²=2*(-0,2)²=2*0,04=0,08;
(2х)²=4х²=4*0,04=0,16
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Answers & Comments
Объяснение:
х=-0,4; 2х=-0,8; 2х²=2*(-0,4)²=2*0,16=0,32; (2х)²=4х²=4*-0,4²=4*0,16=0,64.
х=0,4; 2х=0,8; 2х²=2*0,4²=2*0,16=0,32; (2х)²=4х²=4*0,4²=4*0,16=0,64.
х=-1/5; х=-0,2; 2х=-0,4; 2х²=2*(-0,2)²=2*0,04=0,08;
(2х)²=4х²=4*0,04=0,16