40×28×25×3=40×25×28×3=1000×84=84000
2(﹣)2(÷)2(﹣)2(÷)2=0
2(+)2(-)2(-)2( + )2=2
2(÷)2(+)2(÷)2(+)2=4
2(×)2(-)2(÷)2(-)2=1
2(×)2(÷)2(÷)2(+)2=3
2(+)2(+)2(-)2(÷)2=5
40×28×25×3=40×25×28×3=1000×84=84000
2(﹣)2(÷)2(﹣)2(÷)2=0
2(+)2(-)2(-)2( + )2=2
2(÷)2(+)2(÷)2(+)2=4
2(×)2(-)2(÷)2(-)2=1
2(×)2(÷)2(÷)2(+)2=3
2(+)2(+)2(-)2(÷)2=5