9.3 упростите выражения

Question

9.3 упростите выражения

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Answer 1

1) n10 : n9 * n10 : n8 = n(10-9+10-8) = n3= -0.27
2) a20*a32:a50= a(20+32-50) = a2 = 5.5(2) = 30,25
3) b51:b40:b8= b(51-40-8) = b3 = - 8:343
4) a16*a31:a40*a3 = a(16+31) - (a40+3) = a47 - a43 = a4 = 256