3.5^2+15.2^2-26:2
3.5^2 + 15.2^0 – 26:2
3.52+15.20-26:2
=3.25+15.1-13
=75+15-13
=90-13
=77
Tính 3.5^2+15.2^2-26:2
3.52+15.22-26:2
3.52+15.22-26:2=3.25+15.4-13
=75+60-13=135-13=123
3.52+15.22-26:2
=3.25+15.4-26:2
=75+60-13
=135-13
=122
3.52+15.22-26:2
=3.25+15.4-26:2
=75+60-13
=135-13
=122
Thực hiện phép tính sau:
3.5^2 + 15.2^2 - 26:2
= 3.25 + 15 .4 - 13
= 75 + 60 - 13
= 122
3^2.5+2^3.10-81:3
3.5^2+15.2^2-26:2
32.5+23.10-81:3
=9.5+8.10-81:3
=45+80-27
=125-27
=98
3.52+15.22-26:2
=3.25+15.4-26:2
=75+60-12
=135-12
=123
Thực hiện phép tính:
a)3.52+15.22 -26:2
b)53.2-100:4+23.5
a, 3.5^2+15.2^2-26:2
=3.25+15.4-13
=75+60-13
=135-13
=122
b, 5^3.2-100:4+2^3.5
=125.2-25+8.5
=250-25+40
=225+40
=265
3.52+15.22-26:2
53.2-100:4+23.5
trinh bay cach giai gium minh,minh like cho
3.5^2+15.2^2-1^2.48
\(3\cdot5^2+15\cdot2^2-1^2\cdot48\\ =2^2\cdot18-48\\ =72-48\\ =24\)
=3.25+15.4-1.48
=75 +60 -48
=135-48
=87
ok chưa bạn?
3.5^2 + 15.2^2 - 1^2.48
Lời giải:
$3.5^2+15.2^2-1^2.48=3.25+15.4-1.48=75+60-48=87$