Toán Lớp 6: a)53-4.6+2 ³
b)440-3.5 ²+64:8
c)2.6 ²+81:3 ²-5.7
d)12+8. 3 ²+64:8
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Toán Lớp 6: a)53-4.6+2 ³
b)440-3.5 ²+64:8
c)2.6 ²+81:3 ²-5.7
d)12+8. 3 ²+64:8
Comments ( 2 )
53-4.6+2^3
=53-24+8
=29+8
=37
b)
440-3.5^2+64:8
=440-3.25+8
=440-75+8
=365+8
=373
c)
2.6^2+81:3^2-5.7
=2.36+81:9-35
=72+9-35
=81-35
=46
d)
12+8.3^2+64:8
=12+8.9+8
=12+72+8
=84+8
=92